<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 31-March-2022 [01:27:03] {AM}-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" />
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel" />
<labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CoverAbstract" xml:lang="en-US">Cover [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentInformationTable" xml:lang="en-US">Document Information [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xml:lang="en-US">Class of Stock [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xml:lang="en-US">Class of Stock [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="lab_us-gaap_StatementClassOfStockAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfStockDomain" xml:lang="en-US">Class of Stock [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ClassOfStockDomain" xml:lang="en-US">Class of Stock [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="lab_us-gaap_ClassOfStockDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonClassAMember" xml:lang="en-US">Common Class A [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonClassAMember" xml:lang="en-US">Class A Ordinary Shares [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonClassAMember" xlink:to="lab_us-gaap_CommonClassAMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_us-gaap_CommonClassBMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonClassBMember" xml:lang="en-US">Common Class B [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonClassBMember" xml:lang="en-US">Class B Ordinary Shares [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonClassBMember" xlink:to="lab_us-gaap_CommonClassBMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentInformationLineItems" xml:lang="en-US">Document Information [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCurrentReportingStatus" xml:lang="en-US">Entity Current Reporting Status</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFilerCategory" xml:lang="en-US">Entity Filer Category</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentType" xml:lang="en-US">Document Type</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AmendmentFlag" xml:lang="en-US">Amendment Flag</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentPeriodEndDate" xml:lang="en-US">Document Period End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalYearFocus" xml:lang="en-US">Document Fiscal Year Focus</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xml:lang="en-US">Document Fiscal Period Focus</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_TradingSymbol" xml:lang="en-US">Trading Symbol</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityRegistrantName" xml:lang="en-US">Entity Registrant Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCentralIndexKey" xml:lang="en-US">Entity Central Index Key</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CurrentFiscalYearEndDate" xml:lang="en-US">Current Fiscal Year End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xml:lang="en-US">Entity Well-known Seasoned Issuer</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityShellCompany" xml:lang="en-US">Entity Shell Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xml:lang="en-US">Entity Incorporation, State or Country Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressAddressLine1" xml:lang="en-US">Entity Address, Address Line One</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressPostalZipCode" xml:lang="en-US">Entity Address, Postal Zip Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentAnnualReport" xml:lang="en-US">Document Annual Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentTransitionReport" xml:lang="en-US">Document Transition Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentShellCompanyReport" xlink:label="loc_dei_DocumentShellCompanyReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentShellCompanyReport" xml:lang="en-US">Document Shell Company Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentShellCompanyReport" xlink:to="lab_dei_DocumentShellCompanyReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentRegistrationStatement" xlink:label="loc_dei_DocumentRegistrationStatement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentRegistrationStatement" xml:lang="en-US">Document Registration Statement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAccountingStandard" xlink:label="loc_dei_DocumentAccountingStandard" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentAccountingStandard" xml:lang="en-US">Document Accounting Standard</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityEmergingGrowthCompany" xml:lang="en-US">Entity Emerging Growth Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US">Entity Common Stock, Shares Outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityInteractiveDataCurrent" xml:lang="en-US">Entity Interactive Data Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityVoluntaryFilers" xml:lang="en-US">Entity Voluntary Filers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFileNumber" xml:lang="en-US">Entity File Number</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_ContactPersonnelName" xlink:label="loc_dei_ContactPersonnelName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_ContactPersonnelName" xml:lang="en-US">Contact Personnel Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCityOrTown" xml:lang="en-US">Entity Address, City or Town</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCountry" xlink:label="loc_dei_EntityAddressCountry" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCountry" xml:lang="en-US">Entity Address, Country</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CityAreaCode" xml:lang="en-US">City Area Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LocalPhoneNumber" xml:lang="en-US">Local Phone Number</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_SecurityExchangeName" xml:lang="en-US">Security Exchange Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_Security12bTitle" xml:lang="en-US">Title of 12(b) Security</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_PhoneFaxNumberDescription" xlink:label="loc_dei_PhoneFaxNumberDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_PhoneFaxNumberDescription" xml:lang="en-US">Phone Fax Number Description</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_PhoneFaxNumberDescription" xlink:to="lab_dei_PhoneFaxNumberDescription" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="loc_dei_IcfrAuditorAttestationFlag" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xml:lang="en-US">ICFR Auditor Attestation Flag</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorName" xlink:label="loc_dei_AuditorName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorName" xml:lang="en-US">Auditor Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorFirmId" xlink:label="loc_dei_AuditorFirmId" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorFirmId" xml:lang="en-US">Auditor Firm ID</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorLocation" xlink:label="loc_dei_AuditorLocation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorLocation" xml:lang="en-US">Auditor Location</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressesAddressTypeAxis" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xml:lang="en-US">Entity Addresses, Address Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AddressTypeDomain" xlink:label="loc_dei_AddressTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AddressTypeDomain" xml:lang="en-US">Address Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_BusinessContactMember" xlink:label="loc_dei_BusinessContactMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_BusinessContactMember" xml:lang="en-US">Business Contact [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementTable" xml:lang="en-US">Statement [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StatementTable" xml:lang="en-US">Statement [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable" xlink:to="lab_us-gaap_StatementTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementLineItems" xml:lang="en-US">Statement [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StatementLineItems" xml:lang="en-US">Statement [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsAbstract" xml:lang="en-US">Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AssetsAbstract" xml:lang="en-US">ASSETS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongTermPrepaymentsDepositsAndOtherAssets" xlink:label="loc_msc_LongTermPrepaymentsDepositsAndOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Long Term Prepayments Deposits And Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Long-term prepayments, deposits and other assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Long-term prepayments, deposits and other assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongTermPrepaymentsDepositsAndOtherAssets" xlink:to="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Carrying amount as of the balance sheet date of amounts paid in advance which will be charged against earnings in periods after one year or beyond the operating cycle, if longer; deposits transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer; and aggregate carrying amount of other noncurrent assets not separately disclosed in the balance sheet that are expected to be realized or consumed after one year (or the normal operating cycle, if longer).</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Assets" xml:lang="en-US">Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_Assets" xml:lang="en-US">Total assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightNet" xlink:label="loc_msc_LandUseRightNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightNet" xml:lang="en-US">Land Use Right, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LandUseRightNet" xml:lang="en-US">Land use right, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_LandUseRightNet" xml:lang="en-US">Land use right, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightNet" xlink:to="lab_msc_LandUseRightNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightNet" xml:lang="en-US">Carrying amounts as of the balance sheet date of amounts paid or payable for the use of land that is expected to provide economic benefit for more than one year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsCurrentAbstract" xml:lang="en-US">Assets, Current [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_AssetsCurrentAbstract" xml:lang="en-US">Current assets:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract" xlink:to="lab_us-gaap_AssetsCurrentAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts Receivable, after Allowance for Credit Loss, Current, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts receivable, net of allowances for credit losses of nil and $976</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts receivable, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueFromAffiliateCurrent" xlink:label="loc_us-gaap_DueFromAffiliateCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DueFromAffiliateCurrent" xml:lang="en-US">Due from Affiliate, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DueFromAffiliateCurrent" xml:lang="en-US">Amounts due from affiliated companies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromAffiliateCurrent" xlink:to="lab_us-gaap_DueFromAffiliateCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InventoryNet" xml:lang="en-US">Inventory, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InventoryNet" xml:lang="en-US">Inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet" xlink:to="lab_us-gaap_InventoryNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsCurrent" xml:lang="en-US">Assets, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_AssetsCurrent" xml:lang="en-US">Total current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="lab_us-gaap_AssetsCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US">Prepaid Expense and Other Assets, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US">Prepaid expenses and other current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Restricted Cash and Cash Equivalents, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Restricted cash</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Current portion of restricted cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xml:lang="en-US">Restricted Cash and Cash Equivalents, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xml:lang="en-US">Restricted cash</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xml:lang="en-US">Non-current portion of restricted cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xml:lang="en-US">Operating Lease, Right-of-Use Asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xml:lang="en-US">Operating lease right-of-use assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xml:lang="en-US">Operating lease right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property, Plant and Equipment, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US">Intangible assets, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and Equity [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">LIABILITIES, SHAREHOLDERS' EQUITY AND PARTICIPATION INTEREST</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US">Liabilities, Current [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US">Current liabilities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsPayableCurrent" xml:lang="en-US">Accounts Payable, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsPayableCurrent" xml:lang="en-US">Accounts payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent" xlink:to="lab_us-gaap_AccountsPayableCurrent" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="loc_msc_AccruedExpensesAndOtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Accrued expenses and other current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Accrued expenses and other current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_AccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Total Accrued Expenses and Other Current Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AccruedExpensesAndOtherCurrentLiabilities" xlink:to="lab_msc_AccruedExpensesAndOtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); and the aggregate carrying amount of current obligations not separately disclosed in the balance sheet that are expected to be paid within one year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesCurrent" xml:lang="en-US">Liabilities, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LiabilitiesCurrent" xml:lang="en-US">Total current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LiabilitiesCurrent" xml:lang="en-US">Total current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToAffiliateCurrent" xlink:label="loc_us-gaap_DueToAffiliateCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DueToAffiliateCurrent" xml:lang="en-US">Due to Affiliate, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DueToAffiliateCurrent" xml:lang="en-US">Amounts due to affiliated companies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToAffiliateCurrent" xlink:to="lab_us-gaap_DueToAffiliateCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent" xml:lang="en-US">Accrued Income Taxes, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccruedIncomeTaxesCurrent" xml:lang="en-US">Income tax payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedIncomeTaxesCurrent" xlink:to="lab_us-gaap_AccruedIncomeTaxesCurrent" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LiabilitiesShareholdersEquityAndParticipationInterest" xlink:label="loc_msc_LiabilitiesShareholdersEquityAndParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LiabilitiesShareholdersEquityAndParticipationInterest" xml:lang="en-US">Liabilities Shareholders Equity And Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_LiabilitiesShareholdersEquityAndParticipationInterest" xml:lang="en-US">Total liabilities, shareholders' equity and participation interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LiabilitiesShareholdersEquityAndParticipationInterest" xlink:to="lab_msc_LiabilitiesShareholdersEquityAndParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LiabilitiesShareholdersEquityAndParticipationInterest" xml:lang="en-US">Amount of liabilities shareholders equity and participation interest.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xml:lang="en-US">Long-term debt, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent" xlink:to="lab_us-gaap_LongTermDebtNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Liabilities" xml:lang="en-US">Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_Liabilities" xml:lang="en-US">Total liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities" xlink:to="lab_us-gaap_Liabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US">Other Liabilities, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US">Other long-term liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xml:lang="en-US">Operating Lease, Liability, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xml:lang="en-US">Operating lease liabilities, non-current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xml:lang="en-US">Present value of future minimum lease payments non-current portion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xml:lang="en-US">Deferred Income Tax Liabilities, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xml:lang="en-US">Deferred tax liabilities, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xml:lang="en-US">Deferred tax liabilities, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xml:lang="en-US">Commitments and Contingencies</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xml:lang="en-US">Commitments and contingencies (Note [18])</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies" xlink:to="lab_us-gaap_CommitmentsAndContingencies" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ParticipationInterest" xlink:label="loc_msc_ParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ParticipationInterest" xml:lang="en-US">Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ParticipationInterest" xml:lang="en-US">Participation interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ParticipationInterest" xlink:to="lab_msc_ParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ParticipationInterest" xml:lang="en-US">Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, participation interest).</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xlink:label="loc_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Stockholders Equity Including Portion Attributable To Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Total shareholders' equity and participation interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">BEGINNING BALANCE</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">ENDING BALANCE</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xlink:to="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StockholdersEquityIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and participation interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US">Shareholders' equity and participation interest:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US">Shareholders' equity:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquity" xml:lang="en-US">Stockholders' Equity Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_StockholdersEquity" xml:lang="en-US">Total shareholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="lab_us-gaap_StockholdersEquity" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Accumulated losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockValue" xml:lang="en-US">Common Stock, Value, Issued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CommonStockValue" xml:lang="en-US">Ordinary shares, value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockValue" xml:lang="en-US">Ordinary shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue" xlink:to="lab_us-gaap_CommonStockValue" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xml:lang="en-US">Additional Paid in Capital, Common Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xml:lang="en-US">Additional paid-in capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated other comprehensive (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US">Ordinary shares, par value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US">Ordinary shares, outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US">Common Stock, Shares Authorized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US">Ordinary shares, authorized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Accounts Receivable, Allowance for Credit Loss, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Accounts receivable, net of allowances for credit losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Less: allowances for credit losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Balance at end of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US">Balance at beginning of year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesIssued" xml:lang="en-US">Common Stock, Shares, Issued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesIssued" xml:lang="en-US">Ordinary shares, issued</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeStatementAbstract" xml:lang="en-US">Income Statement [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract" xlink:to="lab_us-gaap_IncomeStatementAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income Tax Expense (Benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax credit (expense)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Total income tax (credit) expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLoss" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetIncomeLoss" xml:lang="en-US">Net (loss) income attributable to Studio City International Holdings Limited</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss" xlink:to="lab_us-gaap_NetIncomeLoss" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NetIncomeLossAttributableToParticipationInterest" xlink:label="loc_msc_NetIncomeLossAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NetIncomeLossAttributableToParticipationInterest" xml:lang="en-US">Net Income Loss Attributable To Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_NetIncomeLossAttributableToParticipationInterest" xml:lang="en-US">Net loss (income) attributable to participation interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NetIncomeLossAttributableToParticipationInterest" xlink:to="lab_msc_NetIncomeLossAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NetIncomeLossAttributableToParticipationInterest" xml:lang="en-US">Amount of Net Income (Loss) attributable to participation interest.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Non-operating income (expenses):</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Non-operating (expenses) income:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestExpense" xml:lang="en-US">Interest Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_InterestExpense" xml:lang="en-US">Interest expenses, net of amounts capitalized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense" xlink:to="lab_us-gaap_InterestExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xml:lang="en-US">Investment Income, Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xml:lang="en-US">Interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest" xlink:to="lab_us-gaap_InvestmentIncomeInterest" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xml:lang="en-US">Foreign Currency Transaction Gain (Loss), before Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xml:lang="en-US">Foreign exchange gains (losses), net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xml:lang="en-US">Foreign exchange (losses) gains, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Gain (Loss) on Extinguishment of Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Loss on extinguishment of debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Loss on extinguishment of debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NonOperatingIncomeExpensesNet" xlink:label="loc_msc_NonOperatingIncomeExpensesNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NonOperatingIncomeExpensesNet" xml:lang="en-US">Non Operating Income Expenses Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_NonOperatingIncomeExpensesNet" xml:lang="en-US">Total non-operating expenses, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NonOperatingIncomeExpensesNet" xlink:to="lab_msc_NonOperatingIncomeExpensesNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NonOperatingIncomeExpensesNet" xml:lang="en-US">The aggregate amount of income (expense) from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business) and the cost of borrowed funds accounted for as interest that was charged against earnings during the period.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xml:lang="en-US">Other Nonoperating Income (Expense)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xml:lang="en-US">Other (expenses) income, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CostAssociatedWithDebtModification" xlink:label="loc_msc_CostAssociatedWithDebtModification" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CostAssociatedWithDebtModification" xml:lang="en-US">Cost Associated With Debt Modification</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_CostAssociatedWithDebtModification" xml:lang="en-US">Costs associated with debt modification</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CostAssociatedWithDebtModification" xml:lang="en-US">Costs associated with debt modification</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CostAssociatedWithDebtModification" xlink:to="lab_msc_CostAssociatedWithDebtModification" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CostAssociatedWithDebtModification" xml:lang="en-US">Amount represents (1) the difference between the fair value of the payments made and the carrying amount of the debt at the time of the modification of debt and/or (2) the write-off of deferred financing fees associated with the modification.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LoanCommitmentAndOtherFinanceFees" xlink:label="loc_msc_LoanCommitmentAndOtherFinanceFees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LoanCommitmentAndOtherFinanceFees" xml:lang="en-US">Loan Commitment And Other Finance Fees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_LoanCommitmentAndOtherFinanceFees" xml:lang="en-US">Other financing costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LoanCommitmentAndOtherFinanceFees" xlink:to="lab_msc_LoanCommitmentAndOtherFinanceFees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LoanCommitmentAndOtherFinanceFees" xml:lang="en-US">Represents the charge against earnings during the period for commitment and other finance fees.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingIncomeLoss" xml:lang="en-US">Operating Income (Loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OperatingIncomeLoss" xml:lang="en-US">Operating (loss) income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingIncomeLoss" xml:lang="en-US">Operating loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss" xlink:to="lab_us-gaap_OperatingIncomeLoss" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xlink:label="loc_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xml:lang="en-US">Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xml:lang="en-US">(Loss) income before income tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xml:lang="en-US">(Loss) Income before income tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xml:lang="en-US">(Loss) income before income tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xlink:to="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsParticipationInterest" xml:lang="en-US">Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to participation interest.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xlink:label="loc_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Profit Loss Including Portion Attributable To Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Net (loss) income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Net (loss) income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Net income (loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xlink:to="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ProfitLossIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the participation interest.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted average Class A ordinary shares outstanding used in net (loss) income attributable to Studio City International Holdings Limited per Class A ordinary share calculation:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Basic</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted average number of Class A ordinary shares outstanding used in the calculation of basic net (loss) income attributable to Studio City International Holdings Limited per Class A ordinary share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Diluted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted average number of Class A ordinary shares outstanding used in the calculation of diluted net (loss) income attributable to Studio City International Holdings Limited per Class A ordinary share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xml:lang="en-US">Earnings Per Share [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xml:lang="en-US">Net (loss) income attributable to Studio City International Holdings Limited per Class A ordinary share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareBasic" xml:lang="en-US">Earnings Per Share, Basic</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareBasic" xml:lang="en-US">Basic</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic" xlink:to="lab_us-gaap_EarningsPerShareBasic" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xml:lang="en-US">Earnings Per Share, Diluted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xml:lang="en-US">Diluted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted" xlink:to="lab_us-gaap_EarningsPerShareDiluted" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xml:lang="en-US">Costs and Expenses [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xml:lang="en-US">Operating costs and expenses:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xml:lang="en-US">Costs and expenses (services provided to the Group):</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract" xlink:to="lab_us-gaap_CostsAndExpensesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreOpeningCosts" xlink:label="loc_us-gaap_PreOpeningCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PreOpeningCosts" xml:lang="en-US">Pre-Opening Costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_PreOpeningCosts" xml:lang="en-US">Pre-opening costs (including expenses to related parties of $351, $240 and $32 for the years ended December 31, 2021, 2020 and 2019, respectively)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreOpeningCosts" xlink:to="lab_us-gaap_PreOpeningCosts" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmortizationOfLandUseRight" xlink:label="loc_msc_AmortizationOfLandUseRight" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmortizationOfLandUseRight" xml:lang="en-US">Amortization of Land Use Right</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_AmortizationOfLandUseRight" xml:lang="en-US">Amortization of land use right</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmortizationOfLandUseRight" xlink:to="lab_msc_AmortizationOfLandUseRight" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmortizationOfLandUseRight" xml:lang="en-US">Amortization of land use right.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PropertyChargesAndOthers" xlink:label="loc_msc_PropertyChargesAndOthers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PropertyChargesAndOthers" xml:lang="en-US">Property Charges And Others</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_msc_PropertyChargesAndOthers" xml:lang="en-US">Property charges and other (including expenses to related parties of $4,246, $1,694 and $630 for the years ended December 31, 2021, 2020 and 2019, respectively)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PropertyChargesAndOthers" xlink:to="lab_msc_PropertyChargesAndOthers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PropertyChargesAndOthers" xml:lang="en-US">The aggregate amount of expenses charged against earnings to eliminate the capitalized costs of projects abandoned during the reporting period and expenses associated with business termination activities and other expenses.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" xlink:label="loc_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" xml:lang="en-US">Depreciation And Amortization Excluding Amortization Of Intangible Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" xml:lang="en-US">Depreciation and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" xlink:to="lab_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets" xml:lang="en-US">The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to reflect consumption during the period of an asset that is not used in production.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CostsAndExpenses" xml:lang="en-US">Costs and Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_us-gaap_CostsAndExpenses" xml:lang="en-US">Total operating costs and expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CostsAndExpenses" xml:lang="en-US">Operating costs and expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses" xlink:to="lab_us-gaap_CostsAndExpenses" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CostOfRevenue" xml:lang="en-US">Cost of Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_CostOfRevenue" xml:lang="en-US">Cost of revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfRevenue" xlink:to="lab_us-gaap_CostOfRevenue" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US">Selling, General and Administrative Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US">General and administrative (including expenses to related parties of $46,274, $52,213 and $72,847 for the years ended December 31, 2021, 2020 and 2019, respectively)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RevenuesAbstract" xml:lang="en-US">Revenues [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RevenuesAbstract" xml:lang="en-US">Operating revenues:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RevenuesAbstract" xml:lang="en-US">Revenues (services provided by the Group):</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract" xlink:to="lab_us-gaap_RevenuesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Revenues" xml:lang="en-US">Revenues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_Revenues" xml:lang="en-US">Operating revenues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_Revenues" xml:lang="en-US">Operating revenues</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues" xlink:to="lab_us-gaap_Revenues" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ProductOrServiceAxis" xml:lang="en-US">Product and Service [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ProductOrServiceAxis" xml:lang="en-US">Product and Service [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ProductsAndServicesDomain" xml:lang="en-US">Product and Service [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ProductsAndServicesDomain" xml:lang="en-US">Product and Service [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_MallMember" xlink:label="loc_msc_MallMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_MallMember" xml:lang="en-US">Mall [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_MallMember" xml:lang="en-US">Mall [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_MallMember" xlink:to="lab_msc_MallMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_MallMember" xml:lang="en-US">Mall.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EntertainmentMember" xlink:label="loc_us-gaap_EntertainmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EntertainmentMember" xml:lang="en-US">Entertainment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EntertainmentMember" xml:lang="en-US">Entertainment [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EntertainmentMember" xlink:to="lab_us-gaap_EntertainmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FoodAndBeverageMember" xlink:label="loc_us-gaap_FoodAndBeverageMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FoodAndBeverageMember" xml:lang="en-US">Food and Beverage [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FoodAndBeverageMember" xml:lang="en-US">Food and Beverage [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FoodAndBeverageMember" xlink:to="lab_us-gaap_FoodAndBeverageMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OccupancyMember" xlink:label="loc_us-gaap_OccupancyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OccupancyMember" xml:lang="en-US">Occupancy [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OccupancyMember" xml:lang="en-US">Rooms [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OccupancyMember" xlink:to="lab_us-gaap_OccupancyMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_GamingMember" xlink:label="loc_msc_GamingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_GamingMember" xml:lang="en-US">Gaming [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_GamingMember" xml:lang="en-US">Provision of Gaming Related Services [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_GamingMember" xlink:to="lab_msc_GamingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_GamingMember" xml:lang="en-US">Gaming.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RetailAndOtherMember" xlink:label="loc_msc_RetailAndOtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RetailAndOtherMember" xml:lang="en-US">Retail and Other [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_RetailAndOtherMember" xml:lang="en-US">Retail and Other [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RetailAndOtherMember" xlink:to="lab_msc_RetailAndOtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RetailAndOtherMember" xml:lang="en-US">Retail and other.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ServiceFeeMember" xlink:label="loc_msc_ServiceFeeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ServiceFeeMember" xml:lang="en-US">Service Fee [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ServiceFeeMember" xml:lang="en-US">Services Fee [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ServiceFeeMember" xlink:to="lab_msc_ServiceFeeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ServiceFeeMember" xml:lang="en-US">Service fee.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" xlink:label="loc_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">Related Party Transaction Property Charges And Other Expenses From Transactions With Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">Property charges and other expenses to related parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" xlink:to="lab_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RelatedPartyTransactionPropertyChargesAndOtherExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">The aggregate amount of expenses charged against earnings to eliminate the capitalized costs of projects abandoned during the reporting period and expenses associated with business termination activities and other expenses with related parties.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">General and administrative expenses to related parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:to="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="loc_us-gaap_RevenueFromRelatedParties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RevenueFromRelatedParties" xml:lang="en-US">Revenue from Related Parties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_RevenueFromRelatedParties" xml:lang="en-US">Revenues from related parties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RevenueFromRelatedParties" xml:lang="en-US">Revenues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RevenueFromRelatedParties" xml:lang="en-US">Aggregated revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromRelatedParties" xlink:to="lab_us-gaap_RevenueFromRelatedParties" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyCosts" xlink:label="loc_us-gaap_RelatedPartyCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyCosts" xml:lang="en-US">Related Party Costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RelatedPartyCosts" xml:lang="en-US">Costs to related parties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyCosts" xml:lang="en-US">Costs and expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyCosts" xlink:to="lab_us-gaap_RelatedPartyCosts" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">Related Party Transaction, Expenses from Transactions with Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xml:lang="en-US">Pre-opening costs expenses to related parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:to="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xml:lang="en-US">Statement of Comprehensive Income [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" xlink:label="loc_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" xml:lang="en-US">Comprehensive Income Net of Tax Attributable To Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" xml:lang="en-US">Comprehensive loss (income) attributable to participation interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" xlink:to="lab_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxAttributableToParticipationInterest" xml:lang="en-US">Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to participation interest. Excludes changes in equity resulting from investments by owners and distributions to owners.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" xlink:label="loc_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Comprehensive Income Net Of Tax Including Portion Attributable To Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Total comprehensive (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" xlink:to="lab_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToParticipationInterest" xml:lang="en-US">Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ComprehensiveIncomeLossNetOfTax" xlink:label="loc_msc_ComprehensiveIncomeLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Comprehensive Income Loss Net of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_msc_ComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Comprehensive (loss) income attributable to Studio City International Holdings Limited</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ComprehensiveIncomeLossNetOfTax" xlink:to="lab_msc_ComprehensiveIncomeLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US">Other comprehensive (loss) income:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xml:lang="en-US">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xml:lang="en-US">Foreign currency translation adjustments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xml:lang="en-US">Foreign currency translation adjustments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Other comprehensive (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_CumulativeEffectPeriodOfAdoptionAxis" xml:lang="en-US">Cumulative Effect, Period of Adoption [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:to="lab_srt_CumulativeEffectPeriodOfAdoptionAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_CumulativeEffectPeriodOfAdoptionDomain" xml:lang="en-US">Cumulative Effect, Period of Adoption [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:to="lab_srt_CumulativeEffectPeriodOfAdoptionDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US">Equity Components [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US">Equity Components [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_us-gaap_StatementEquityComponentsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="lab_us-gaap_EquityComponentDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">AOCI Attributable to Parent [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive (Loss) Income [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ParticipationInterestMember" xlink:label="loc_msc_ParticipationInterestMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ParticipationInterestMember" xml:lang="en-US">Participation Interest [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ParticipationInterestMember" xml:lang="en-US">Participation Interest [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ParticipationInterestMember" xlink:to="lab_msc_ParticipationInterestMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ParticipationInterestMember" xml:lang="en-US">Participation interest.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RetainedEarningsMember" xml:lang="en-US">Retained Earnings [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RetainedEarningsMember" xml:lang="en-US">Accumulated Losses [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember" xlink:to="lab_us-gaap_RetainedEarningsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockMember" xml:lang="en-US">Common Stock [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockMember" xml:lang="en-US">Common Stock [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember" xlink:to="lab_us-gaap_CommonStockMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" xlink:label="loc_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" xml:lang="en-US">Adjustments To Additional Paid In Capital In Participation Interests From Private Placements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" xml:lang="en-US">Change in Participation Interest resulted from 2020 Private Placements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" xlink:to="lab_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AdjustmentsToAdditionalPaidInCapitalInParticipationInterestsFromPrivatePlacements" xml:lang="en-US">Amount after tax of increase (decrease) in additional paid in capital related to the change in participation interests from private placements.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Shares issued, net of offering expenses, shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Issuance of ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Number of shares issued</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Stock Issued During Period, Value, New Issues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Shares issued, net of offering expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SharesOutstanding" xml:lang="en-US">Shares, Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_SharesOutstanding" xml:lang="en-US">BEGINNING BALANCE (in shares)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_SharesOutstanding" xml:lang="en-US">ENDING BALANCE (in shares)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesOutstanding" xlink:to="lab_us-gaap_SharesOutstanding" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Cash flows from operating activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" xlink:label="loc_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" xml:lang="en-US">Amortization Of Financing Costs And Debt Discount Premium</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" xml:lang="en-US">Amortization of deferred financing costs and original issue premiums</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" xlink:to="lab_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmortizationOfFinancingCostsAndDebtDiscountPremium" xml:lang="en-US">Amortization of Financing Costs And Debt Discount (Premium).</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DepreciationAndAmortization" xml:lang="en-US">Depreciation, Depletion and Amortization, Nonproduction</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization" xlink:to="lab_us-gaap_DepreciationAndAmortization" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Loss (gain) on disposal of property and equipment and other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xml:lang="en-US">Gain (Loss) on Sale of Assets and Asset Impairment Charges</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xml:lang="en-US">Impairment loss recognized on property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xml:lang="en-US">Impairment losses recognized on property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xlink:to="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_WriteOffOfOtherAssets" xlink:label="loc_msc_WriteOffOfOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_WriteOffOfOtherAssets" xml:lang="en-US">Write Off Of Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_WriteOffOfOtherAssets" xml:lang="en-US">Write-off of other assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_WriteOffOfOtherAssets" xlink:to="lab_msc_WriteOffOfOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_WriteOffOfOtherAssets" xml:lang="en-US">Write-off of other assets.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" xlink:label="loc_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" xml:lang="en-US">(Reversal) Provision For Doubtful Accounts And Other Receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" xml:lang="en-US">(Reversal) provision for credit losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" xlink:to="lab_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ReversalProvisionForDoubtfulAccountsAndOtherReceivables" xml:lang="en-US">Amount of expense (reversal of expense) for expected credit loss on accounts receivables and other receivables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash (used in) provided by operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash provided by (used in) operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Changes in operating assets and liabilities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Accounts receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInDueToAffiliates" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToAffiliates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInDueToAffiliates" xml:lang="en-US">Increase (Decrease) in Due to Affiliates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInDueToAffiliates" xml:lang="en-US">Amounts due to affiliated companies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDueToAffiliates" xlink:to="lab_us-gaap_IncreaseDecreaseInDueToAffiliates" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseDueFromAffiliates" xlink:label="loc_us-gaap_IncreaseDecreaseDueFromAffiliates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseDueFromAffiliates" xml:lang="en-US">Increase (Decrease) Due from Affiliates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncreaseDecreaseDueFromAffiliates" xml:lang="en-US">Amounts due from affiliated companies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseDueFromAffiliates" xlink:to="lab_us-gaap_IncreaseDecreaseDueFromAffiliates" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" xlink:label="loc_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" xml:lang="en-US">Increase Decrease In Accounts Payable And Accrued Expenses And Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" xml:lang="en-US">Accounts payable, accrued expenses and other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" xlink:to="lab_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOther" xml:lang="en-US">The increase (decrease) during the reporting period in the value of accounts payable, accrued expenses and other current liabilities, income tax payable, amounts due to affiliated companies and deferred tax liabilities.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" xlink:label="loc_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" xml:lang="en-US">Increase (Decrease) In Inventories And Prepaid Expenses and Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" xml:lang="en-US">Inventories, prepaid expenses and other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" xlink:to="lab_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncreaseDecreaseInInventoriesAndPrepaidExpensesAndOther" xml:lang="en-US">The increase (decrease) during the reporting period in the value of inventories, prepaid expenses and other current assets, amounts due from affiliated companies and deferred tax assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xml:lang="en-US">Increase (Decrease) in Other Noncurrent Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xml:lang="en-US">Other long-term liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" xlink:label="loc_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Increase Decrease In Long Term Prepayments Deposits And Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">Long-term prepayments, deposits and other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" xlink:to="lab_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncreaseDecreaseInLongTermPrepaymentsDepositsAndOtherAssets" xml:lang="en-US">The increase (decrease) during the reporting period in the value of long-term prepayments, deposits and other assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProfitLoss" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ProfitLoss" xml:lang="en-US">Net (loss) income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_ProfitLoss" xml:lang="en-US">Net (loss) income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProfitLoss" xml:lang="en-US">Net (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfitLoss" xlink:to="lab_us-gaap_ProfitLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Effect of exchange rate on cash, cash equivalents and restricted cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Cash, cash equivalents and restricted cash at end of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Cash, cash equivalents and restricted cash at beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US">Total cash, cash equivalents and restricted cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xml:lang="en-US">(Decrease) increase in cash, cash equivalents and restricted cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Cash flows from financing activities:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Cash flow from a financing activity:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts" xml:lang="en-US">Payments of Debt Issuance Costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts" xml:lang="en-US">Payments of deferred financing costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net cash provided by (used in) financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xml:lang="en-US">Proceeds from Issuance of Long-term Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xml:lang="en-US">Proceeds from long-term debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PaymentsForOrProceedsFromIssuanceOfShares" xlink:label="loc_msc_PaymentsForOrProceedsFromIssuanceOfShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PaymentsForOrProceedsFromIssuanceOfShares" xml:lang="en-US">Payments For Or Proceeds From Issuance Of Shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_PaymentsForOrProceedsFromIssuanceOfShares" xml:lang="en-US">Net (payments for) proceeds from issuance of shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PaymentsForOrProceedsFromIssuanceOfShares" xlink:to="lab_msc_PaymentsForOrProceedsFromIssuanceOfShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PaymentsForOrProceedsFromIssuanceOfShares" xml:lang="en-US">Payments for or proceeds from issuance of shares.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xml:lang="en-US">Repayments of Long-term Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xml:lang="en-US">Principal payments on long-term debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xml:lang="en-US">Repayments of long-term debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Cash flows from investing activities:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Cash flows from an investing activity:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" xlink:label="loc_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" xml:lang="en-US">Proceeds from Withdrawals of Bank Deposits with Original Maturities Over Three Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" xml:lang="en-US">Withdrawals of bank deposits with original maturities over three months</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" xlink:to="lab_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ProceedsFromwithdrawalsofBankDepositsWithOriginalmaturitiesoverthreemonths" xml:lang="en-US">Proceeds from withdrawals of bank deposits with original maturities over three months.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" xlink:label="loc_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" xml:lang="en-US">Payment To Placement Of Bank Deposit With Original Maturities Over Three Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" xml:lang="en-US">Placement of bank deposits with original maturities over three months</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" xlink:to="lab_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PaymentToPlacementOfBankDepositWithOriginalMaturitiesOverThreeMonths" xml:lang="en-US">Payment to placement of bank deposit with original maturities over three months.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsToAcquireIntangibleAssets" xml:lang="en-US">Payments to Acquire Intangible Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_PaymentsToAcquireIntangibleAssets" xml:lang="en-US">Acquisition of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireIntangibleAssets" xlink:to="lab_us-gaap_PaymentsToAcquireIntangibleAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from sale of property and equipment and other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToFundLongtermLoansToRelatedParties" xlink:label="loc_us-gaap_PaymentsToFundLongtermLoansToRelatedParties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsToFundLongtermLoansToRelatedParties" xml:lang="en-US">Payments to Fund Long-term Loans to Related Parties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_PaymentsToFundLongtermLoansToRelatedParties" xml:lang="en-US">Funds to an affiliated company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToFundLongtermLoansToRelatedParties" xlink:to="lab_us-gaap_PaymentsToFundLongtermLoansToRelatedParties" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net cash used in investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PaymentsToAcquirePropertyAndEquipment" xlink:label="loc_msc_PaymentsToAcquirePropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PaymentsToAcquirePropertyAndEquipment" xml:lang="en-US">Payments To Acquire Property And Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_PaymentsToAcquirePropertyAndEquipment" xml:lang="en-US">Acquisition of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PaymentsToAcquirePropertyAndEquipment" xlink:to="lab_msc_PaymentsToAcquirePropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PaymentsToAcquirePropertyAndEquipment" xml:lang="en-US">Amount of cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalCashFlowElementsAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowElementsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SupplementalCashFlowElementsAbstract" xml:lang="en-US">Supplemental Cash Flow Elements [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_SupplementalCashFlowElementsAbstract" xml:lang="en-US">Supplemental cash flow disclosures:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SupplementalCashFlowElementsAbstract" xml:lang="en-US">Supplemental cash flow disclosure:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowElementsAbstract" xlink:to="lab_us-gaap_SupplementalCashFlowElementsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeasePayments" xml:lang="en-US">Operating Lease, Payments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_OperatingLeasePayments" xml:lang="en-US">Cash paid for amounts included in the measurement of lease liabilities - operating cash flows from operating leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasePayments" xlink:to="lab_us-gaap_OperatingLeasePayments" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_InterestPaidNetOfCapitalizedInterest" xlink:label="loc_msc_InterestPaidNetOfCapitalizedInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_InterestPaidNetOfCapitalizedInterest" xml:lang="en-US">Interest paid net of capitalized interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_InterestPaidNetOfCapitalizedInterest" xml:lang="en-US">Cash paid for interest, net of amounts capitalized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_InterestPaidNetOfCapitalizedInterest" xlink:to="lab_msc_InterestPaidNetOfCapitalizedInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_InterestPaidNetOfCapitalizedInterest" xml:lang="en-US">Amount of cash paid, after deduction of cash paid for capitalized interest, for interest. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" xlink:label="loc_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" xml:lang="en-US">Change in amounts due from/to affiliated companies related to acquisition of property and equipment and other long term assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" xml:lang="en-US">Change in amounts due from/to affiliated companies related to acquisition of property and equipment and other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" xlink:to="lab_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ChangeInAmountsDueFromToAffiliatedCompaniesRelatedToAcquisitionOfPropertyAndEquipmentAndOtherLongTermAssets" xml:lang="en-US">Future cash outflow to pay for acquisition of property and equipment and other long-term assets that have occurred through amount due from/to affiliated companies.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" xlink:label="loc_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" xml:lang="en-US">Change in accrued expenses and other current liabilities and other long term liabilities related to acquisition of property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" xml:lang="en-US">Change in accrued expenses and other current liabilities and other long-term liabilities related to acquisition of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" xlink:to="lab_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ChangeInAccruedExpensesAndOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesRelatedToAcquisitionOfPropertyAndEquipment" xml:lang="en-US">Future cash outflow to pay for acquisition of property and equipment that have occurred through accrued expenses, other current liabilities and other long term liabilities.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" xlink:label="loc_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" xml:lang="en-US">Change In Amounts Due To Affiliated Companies Related To Acquisition Of Intangible Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" xml:lang="en-US">Change in amounts due to affiliated companies related to acquisition of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" xlink:to="lab_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ChangeInAmountsDueToAffiliatedCompaniesRelatedToAcquisitionOfIntangibleAssets" xml:lang="en-US">Change in amounts due to affiliated companies related to acquisition of intangible assets</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xlink:label="loc_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Offering Expenses Capitalized for Issuance of Shares Included in Accrued Expenses and Other Current Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Offering expenses capitalized for the issuance of shares included in accrued expenses and other current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Offering expenses capitalized for the issuance of shares included in accrued expenses and other current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xlink:to="lab_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OfferingExpensesCapitalizedForIssuanceOfSharesIncludedInAccruedExpensesAndOtherCurrentLiabilities" xml:lang="en-US">Offering expenses capitalized for issuance of shares included in accrued expenses and other current liabilities.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" xlink:label="loc_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" xml:lang="en-US">Change In Operating Lease Right Of Use Assets And Lease Liabilities Arising From Lease Modification</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" xml:lang="en-US">Change in operating lease right-of-use assets and lease liabilities arising from lease modification</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" xlink:to="lab_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ChangeInOperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesArisingFromLeaseModification" xml:lang="en-US">Change in operating lease right-of-use assets and lease liabilities arising from lease modification.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xml:lang="en-US">ORGANIZATION AND BUSINESS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountingPoliciesAbstract" xml:lang="en-US">Accounting Policies [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_us-gaap_AccountingPoliciesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xml:lang="en-US">Consolidated Entities [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xml:lang="en-US">Consolidated Entities [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesAxis" xlink:to="lab_srt_ConsolidatedEntitiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xml:lang="en-US">Consolidated Entities [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xml:lang="en-US">Consolidated Entities [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesDomain" xlink:to="lab_srt_ConsolidatedEntitiesDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ParentCompanyMember" xlink:to="lab_srt_ParentCompanyMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsAbstract" xml:lang="en-US">Cash and Cash Equivalents [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAbstract" xlink:to="lab_us-gaap_CashAndCashEquivalentsAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" xlink:label="loc_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" xml:lang="en-US">Cash cash equivalents and restricted cash disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" xml:lang="en-US">CASH, CASH EQUIVALENTS AND RESTRICTED CASH</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" xlink:to="lab_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CashCashEquivalentsAndRestrictedCashDisclosureTextBlock" xml:lang="en-US">Cash cash equivalents and restricted cash disclosure&#8203;.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="loc_us-gaap_ReceivablesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ReceivablesAbstract" xml:lang="en-US">Receivables [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesAbstract" xlink:to="lab_us-gaap_ReceivablesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xml:lang="en-US">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xml:lang="en-US">ACCOUNTS RECEIVABLE, NET</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract" xml:lang="en-US">Property, Plant and Equipment [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">PROPERTY AND EQUIPMENT, NET</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Intangible Assets Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock" xml:lang="en-US">INTANGIBLE ASSETS, NET</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="lab_us-gaap_IntangibleAssetsDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongtermPrepaymentsDepositsAndOtherAssetsAbstract" xlink:label="loc_msc_LongtermPrepaymentsDepositsAndOtherAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongtermPrepaymentsDepositsAndOtherAssetsAbstract" xml:lang="en-US">LONGTERM PREPAYMENTS DEPOSITS AND OTHER ASSETS [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongtermPrepaymentsDepositsAndOtherAssetsAbstract" xlink:to="lab_msc_LongtermPrepaymentsDepositsAndOtherAssetsAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" xlink:label="loc_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" xml:lang="en-US">LongTermPrepaymentDepositsAndOtherAssetsDisclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" xml:lang="en-US">LONG-TERM PREPAYMENTS, DEPOSITS AND OTHER ASSETS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" xlink:to="lab_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LongtermprepaymentdepositsandotherassetsdisclosureTextBlock" xml:lang="en-US">LongTermPrepaymentDepositsAndOtherAssetsDisclosureTextBlock</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="loc_us-gaap_TextBlockAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TextBlockAbstract" xml:lang="en-US">Text Block [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TextBlockAbstract" xlink:to="lab_us-gaap_TextBlockAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightNetDisclosureTextBlock" xlink:label="loc_msc_LandUseRightNetDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightNetDisclosureTextBlock" xml:lang="en-US">Land Use Right Net Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LandUseRightNetDisclosureTextBlock" xml:lang="en-US">LAND USE RIGHT, NET</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightNetDisclosureTextBlock" xlink:to="lab_msc_LandUseRightNetDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightNetDisclosureTextBlock" xml:lang="en-US">The note disclosure of carrying amounts as of the balance sheet date of amounts paid or payable for the use of land that is expected to provide economic benefit for more than one year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="loc_us-gaap_PayablesAndAccrualsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PayablesAndAccrualsAbstract" xml:lang="en-US">Payables and Accruals [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PayablesAndAccrualsAbstract" xlink:to="lab_us-gaap_PayablesAndAccrualsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" xlink:label="loc_us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" xml:lang="en-US">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" xml:lang="en-US">ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" xlink:to="lab_us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xml:lang="en-US">Debt Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract" xlink:to="lab_us-gaap_DebtDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtTextBlock" xml:lang="en-US">Long-term Debt [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongTermDebtTextBlock" xml:lang="en-US">LONG-TERM DEBT, NET</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtTextBlock" xlink:to="lab_us-gaap_LongTermDebtTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeasesAbstract" xml:lang="en-US">Leases [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract" xlink:to="lab_us-gaap_LeasesAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LeasesDisclosureTextBlock" xlink:label="loc_msc_LeasesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LeasesDisclosureTextBlock" xml:lang="en-US">Leases Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_LeasesDisclosureTextBlock" xml:lang="en-US">LEASES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LeasesDisclosureTextBlock" xlink:to="lab_msc_LeasesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LeasesDisclosureTextBlock" xml:lang="en-US">The entire disclosure for leases.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US">Fair Value Disclosures [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">FAIR VALUE MEASUREMENTS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CapitalStructureDisclosureTextBlock" xlink:label="loc_msc_CapitalStructureDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CapitalStructureDisclosureTextBlock" xml:lang="en-US">Capital Structure Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CapitalStructureDisclosureTextBlock" xml:lang="en-US">CAPITAL STRUCTURE</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CapitalStructureDisclosureTextBlock" xlink:to="lab_msc_CapitalStructureDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CapitalStructureDisclosureTextBlock" xml:lang="en-US">Represents the disclosure of capital structure including information on authorized common stock, stock offerings, and stock issued in relation to the shareholders' loan conversion and the equity-based compensation.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract" xml:lang="en-US">Income Tax Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US">Income Tax Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US">INCOME TAXES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xml:lang="en-US">Share-based Payment Arrangement [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Share-based Payment Arrangement [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">SHARE-BASED COMPENSATION</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract" xml:lang="en-US">Retirement Benefits [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="lab_us-gaap_CompensationAndRetirementDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">EMPLOYEE BENEFIT PLANS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RetainedEarningsRestrictionsDisclosureTextBlock" xlink:label="loc_msc_RetainedEarningsRestrictionsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RetainedEarningsRestrictionsDisclosureTextBlock" xml:lang="en-US">Retained Earnings Restrictions Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_RetainedEarningsRestrictionsDisclosureTextBlock" xml:lang="en-US">DISTRIBUTION OF PROFITS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RetainedEarningsRestrictionsDisclosureTextBlock" xlink:to="lab_msc_RetainedEarningsRestrictionsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RetainedEarningsRestrictionsDisclosureTextBlock" xml:lang="en-US">The entire disclosure for the terms of any restriction upon retained earnings. This may include restrictions that arise from: (1) the aggregate preferences of the preferred shares exceeding the par or stated value of such shares upon liquidation; (2) dividend restrictions - for example, restrictions on the payment of dividends, indicating the source, the pertinent provision, and the amount of retained earnings or net income restricted or free of restrictions; (3) other appropriations; (4) any restrictions on distributions to shareholders; (5) retained earnings appropriated for loss contingencies; and (6) the amount of consolidated earnings which represents undistributed earnings of 50% or less owned by persons accounted for by the equity method, (7) state laws that govern circumstances under which corporations may acquire its own stock and on the availability of retained earnings for payment of dividends.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">COMMITMENTS AND CONTINGENCIES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract" xml:lang="en-US">Related Party Transactions [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract" xlink:to="lab_us-gaap_RelatedPartyTransactionsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xml:lang="en-US">RELATED PARTY TRANSACTIONS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentReportingAbstract" xml:lang="en-US">Segment Reporting [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract" xlink:to="lab_us-gaap_SegmentReportingAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US">SEGMENT INFORMATION</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventsAbstract" xml:lang="en-US">Subsequent Events [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract" xlink:to="lab_us-gaap_SubsequentEventsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xml:lang="en-US">Subsequent Events [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xml:lang="en-US">SUBSEQUENT EVENTS</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock" xlink:to="lab_us-gaap_SubsequentEventsTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xml:lang="en-US">Condensed Financial Information Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:to="lab_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:label="loc_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xml:lang="en-US">Condensed Financial Information of Parent Company Only Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xml:lang="en-US">ADDITIONAL INFORMATION - FINANCIAL STATEMENT SCHEDULE 1 FINANCIAL INFORMATION OF PARENT COMPANY</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:to="lab_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:label="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xml:lang="en-US">Additional Financial Information Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xml:lang="en-US">SCHEDULE 1 - FINANCIAL INFORMATION OF PARENT COMPANY ADDITIONAL INFORMATION</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:to="lab_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xml:lang="en-US">Basis of Presentation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xml:lang="en-US">Foreign Currency Transactions and Translations Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xml:lang="en-US">Foreign Currency Transactions and Translations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Impairment of Long-lived Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightPolicyTextBlock" xlink:label="loc_msc_LandUseRightPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightPolicyTextBlock" xml:lang="en-US">Land Use Right [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LandUseRightPolicyTextBlock" xml:lang="en-US">Land Use Right</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightPolicyTextBlock" xlink:to="lab_msc_LandUseRightPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightPolicyTextBlock" xml:lang="en-US">The note disclosure of carrying amounts as of the balance sheet date of amounts paid or payable for the use of land that is expected to provide economic benefit for more than one year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:label="loc_us-gaap_AdvertisingCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdvertisingCostsPolicyTextBlock" xml:lang="en-US">Advertising Cost [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdvertisingCostsPolicyTextBlock" xml:lang="en-US">Advertising and Promotional Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdvertisingCostsPolicyTextBlock" xlink:to="lab_us-gaap_AdvertisingCostsPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InventoryPolicyTextBlock" xml:lang="en-US">Inventory, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InventoryPolicyTextBlock" xml:lang="en-US">Inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock" xlink:to="lab_us-gaap_InventoryPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xml:lang="en-US">Fair Value of Financial Instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OtherLongTermAssetsPolicyTextBlock" xlink:label="loc_msc_OtherLongTermAssetsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OtherLongTermAssetsPolicyTextBlock" xml:lang="en-US">Other Long Term Assets [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OtherLongTermAssetsPolicyTextBlock" xml:lang="en-US">Other Long-term Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OtherLongTermAssetsPolicyTextBlock" xlink:to="lab_msc_OtherLongTermAssetsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OtherLongTermAssetsPolicyTextBlock" xml:lang="en-US">Other long term assets policy.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xml:lang="en-US">Principles of Consolidation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DeferredFinancingCostsPolicyTextBlock" xlink:label="loc_msc_DeferredFinancingCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Deferred Financing Costs [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Deferred Financing Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DeferredFinancingCostsPolicyTextBlock" xlink:to="lab_msc_DeferredFinancingCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Disclosure of accounting policy for deferred financing costs.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xml:lang="en-US">Net (Loss) Income Attributable to Studio City International Holdings Limited Per Class A Ordinary Share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_UseOfEstimates" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_UseOfEstimates" xml:lang="en-US">Use of Estimates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates" xlink:to="lab_us-gaap_UseOfEstimates" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:label="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" xml:lang="en-US">Accounts Receivable [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" xml:lang="en-US">Accounts Receivable and Credit Risk</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:to="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="loc_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Restricted Cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:to="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PreopeningCostsPolicyTextBlock" xlink:label="loc_msc_PreopeningCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PreopeningCostsPolicyTextBlock" xml:lang="en-US">Pre-opening Costs [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PreopeningCostsPolicyTextBlock" xml:lang="en-US">Pre-opening Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PreopeningCostsPolicyTextBlock" xlink:to="lab_msc_PreopeningCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PreopeningCostsPolicyTextBlock" xml:lang="en-US">Disclosure of accounting policy for pre opening costs.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US">Recent Changes in Accounting Standards</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" xlink:label="loc_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Capitalization Of Interest Including Amortization Of Deferred Financing Costs [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Capitalized Interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" xlink:to="lab_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CapitalizationOfInterestIncludingAmortizationOfDeferredFinancingCostsPolicyTextBlock" xml:lang="en-US">Disclosure of accounting policy for capitalization of interest including amortization of deferred financing costs.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LeasesPolicyTextBlock" xlink:label="loc_msc_LeasesPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LeasesPolicyTextBlock" xml:lang="en-US">Leases [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LeasesPolicyTextBlock" xml:lang="en-US">Leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LeasesPolicyTextBlock" xlink:to="lab_msc_LeasesPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LeasesPolicyTextBlock" xml:lang="en-US">Disclosure of accounting policy for leasing arrangement.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:label="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" xml:lang="en-US">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" xml:lang="en-US">Intangible&#160;Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:to="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" xlink:label="loc_us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" xml:lang="en-US">Cash and Cash Equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" xlink:to="lab_us-gaap_CashAndCashEquivalentsUnrestrictedCashAndCashEquivalentsPolicy" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xml:lang="en-US">Comprehensive Income, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xml:lang="en-US">Comprehensive (Loss) Income and Accumulated Other Comprehensive (Loss) Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:to="lab_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:label="loc_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Schedule Of Estimated Useful Lives Of Property Plant And Equipment [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Schedule of Estimated Useful Lives of Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:to="lab_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Tabular disclosure of estimated useful lives of property plant and equipment.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xml:lang="en-US">Schedule of Weighted Average Number of Shares [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xml:lang="en-US">Summary of weighted average number of Class&#160;A ordinary shares used in the calculation of basic and diluted net (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" xlink:label="loc_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" xml:lang="en-US">Schedule Of Cash Cash Equivalents And Restricted Cash [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" xml:lang="en-US">Schedule of Cash Cash Equivalents And Restricted Cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" xlink:to="lab_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" xml:lang="en-US">Tabular disclosure of the components of cash cash equivalents and restricted cash.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xml:lang="en-US">Components of Accounts Receivable, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xlink:label="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xml:lang="en-US">Accounts Receivable, Allowance for Credit Loss [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xml:lang="en-US">Movement in Allowances for Credit Losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xlink:to="lab_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Components of Property and Equipment, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongtermprepaymentsdepositsandotherassetsAbstract" xlink:label="loc_msc_LongtermprepaymentsdepositsandotherassetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongtermprepaymentsdepositsandotherassetsAbstract" xml:lang="en-US">LongtermPrepaymentsDepositsAndOtherAssets [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongtermprepaymentsdepositsandotherassetsAbstract" xlink:to="lab_msc_LongtermprepaymentsdepositsandotherassetsAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" xlink:label="loc_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" xml:lang="en-US">ScheduleOfLongTermPrepaymentDepositsAndOtherAssets [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" xml:lang="en-US">Summary Of Long-term prepayments, deposits and other assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" xlink:to="lab_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleoflongtermprepaymentdepositsandotherassetsTableTextBlock" xml:lang="en-US">ScheduleOfLongTermPrepaymentDepositsAndOtherAssetsTextBlock</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfLandUseRightTableTextBlock" xlink:label="loc_msc_ScheduleOfLandUseRightTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfLandUseRightTableTextBlock" xml:lang="en-US">Schedule of Land Use Right [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfLandUseRightTableTextBlock" xml:lang="en-US">Schedule of Land Use Right, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfLandUseRightTableTextBlock" xlink:to="lab_msc_ScheduleOfLandUseRightTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfLandUseRightTableTextBlock" xml:lang="en-US">Tabular disclosure of the gross carrying value of land use right, the total amortization and the net carrying value as of the balance sheet date.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xml:lang="en-US">Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xml:lang="en-US">Schedule of Accrued Expenses and Other Current Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xml:lang="en-US">Summary of Long-term Debt, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US">Schedule of Maturities of Long-term Debt [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US">Scheduled Maturities of Long-Term Debt (Excluding Unamortized Deferred Financing Costs)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseCostTableTextBlock" xml:lang="en-US">Lease, Cost [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LeaseCostTableTextBlock" xml:lang="en-US">Summary of components of lease costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostTableTextBlock" xlink:to="lab_us-gaap_LeaseCostTableTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" xlink:label="loc_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" xml:lang="en-US">Lessee Operating Lease Other Information Related To Lease Term And Discount Rate [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" xml:lang="en-US">Disclosure of other information related to lease term and discount rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" xlink:to="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateTableTextBlock" xml:lang="en-US">Lessee Operating Lease Other Information Related To Lease Term and Discount Rate.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xml:lang="en-US">Lessee, Operating Lease, Liability, Maturity [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xml:lang="en-US">Summary of maturities of operating lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xml:lang="en-US">Summary of future minimum fees, excluding the contingent fees to be received under non-cancellable operating leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xml:lang="en-US">Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xml:lang="en-US">Schedule of (Loss) Income before Income Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Summary of Income Tax (Credit) Expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">Schedule of Reconciliation of Income Tax (Credit) Expense from (Loss) Income Before Income Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Schedule of Net Deferred Tax Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xml:lang="en-US">Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xml:lang="en-US">Summary of share-based compensation expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xml:lang="en-US">Schedule of Related Party Transactions [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xml:lang="en-US">Schedule of Significant Related Party Transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OrganizationalTransactionsAndParticipationAgreementsTable" xlink:label="loc_msc_OrganizationalTransactionsAndParticipationAgreementsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsTable" xml:lang="en-US">Organizational Transactions and Participation Agreements [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsTable" xml:lang="en-US">Organizational Transactions and Participation Agreements [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OrganizationalTransactionsAndParticipationAgreementsTable" xlink:to="lab_msc_OrganizationalTransactionsAndParticipationAgreementsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsTable" xml:lang="en-US">Organizational Transactions and Participation Agreements [Table]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xml:lang="en-US">Sale of Stock [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xml:lang="en-US">Sale of Stock [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis" xlink:to="lab_us-gaap_SubsidiarySaleOfStockAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xml:lang="en-US">Sale of Stock [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xml:lang="en-US">Sale of Stock [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="lab_us-gaap_SaleOfStockNameOfTransactionDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain" xlink:to="lab_us-gaap_RelatedPartyDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OwnershipAxis" xml:lang="en-US">Ownership [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_OwnershipAxis" xml:lang="en-US">Ownership [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipAxis" xlink:to="lab_srt_OwnershipAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OwnershipDomain" xml:lang="en-US">Ownership [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_OwnershipDomain" xml:lang="en-US">Ownership [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipDomain" xlink:to="lab_srt_OwnershipDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NewCotaiLlcMember" xlink:label="loc_msc_NewCotaiLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NewCotaiLlcMember" xml:lang="en-US">New Cotai, LLC [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_NewCotaiLlcMember" xml:lang="en-US">New Cotai, LLC [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NewCotaiLlcMember" xlink:to="lab_msc_NewCotaiLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NewCotaiLlcMember" xml:lang="en-US">New Cotai, LLC .</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentAxis" xml:lang="en-US">Debt Instrument [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentAxis" xml:lang="en-US">Debt Instrument [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="lab_us-gaap_DebtInstrumentAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain" xlink:to="lab_us-gaap_DebtInstrumentNameDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" xlink:label="loc_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" xml:lang="en-US">Two Thousand and Sixteen Studio City Credit Facilities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" xml:lang="en-US">2016 Studio City Credit Facilities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" xlink:to="lab_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndSixteenStudioCityCreditFacilitiesMember" xml:lang="en-US">Two Thousand and Sixteen Studio City Credit Facilities [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" xlink:label="loc_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" xml:lang="en-US">Two Thousand And Twenty Two Seven Point Zero Zero Zero Percent Studio City Secured Notes [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" xml:lang="en-US">2022 7.000% Studio City Secured Notes [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" xlink:to="lab_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentyTwoSevenPointZeroZeroZeroPercentStudioCitySecuredNotesMember" xml:lang="en-US">Two thousand and twenty two seven point zero zero zero percent studio city secured notes.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OrganizationAndBusinessLineItems" xlink:label="loc_msc_OrganizationAndBusinessLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OrganizationAndBusinessLineItems" xml:lang="en-US">Organization And Business [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_OrganizationAndBusinessLineItems" xml:lang="en-US">Organization and Business [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OrganizationAndBusinessLineItems" xlink:to="lab_msc_OrganizationAndBusinessLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OrganizationAndBusinessLineItems" xml:lang="en-US">Organization and business [Line Items].</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CommonStockDividendPercentageOne" xlink:label="loc_msc_CommonStockDividendPercentageOne" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CommonStockDividendPercentageOne" xml:lang="en-US">Common Stock Dividend Percentage One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CommonStockDividendPercentageOne" xml:lang="en-US">Common stock dividend percentage</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CommonStockDividendPercentageOne" xlink:to="lab_msc_CommonStockDividendPercentageOne" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CommonStockDividendPercentageOne" xml:lang="en-US">Common stock dividend percentage one.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Remaining Borrowing Capacity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Amount available for future drawdown</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Debt instrument, interest rate percentage</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rate per annum</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rate per annum</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xml:lang="en-US">Proceeds from Issuance of Private Placement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xml:lang="en-US">Proceeds from private placement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfPrivatePlacement" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Long-term Debt, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Total long-term debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Total long-term debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Total outstanding borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Total long-term debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">The carrying value of long-term debt, excluding unamortized deferred financing costs and original issue premiums</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Aggregate principal amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CreditFacilityAxis" xml:lang="en-US">Credit Facility [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CreditFacilityAxis" xml:lang="en-US">Credit Facility [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis" xlink:to="lab_us-gaap_CreditFacilityAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CreditFacilityDomain" xml:lang="en-US">Credit Facility [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CreditFacilityDomain" xml:lang="en-US">Credit Facility [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain" xlink:to="lab_us-gaap_CreditFacilityDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xml:lang="en-US">Revolving Credit Facility [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xml:lang="en-US">Revolving Credit Facility [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_StatementGeographicalAxis" xml:lang="en-US">Geographical [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_SegmentGeographicalDomain" xml:lang="en-US">Geographical [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Property, Plant and Equipment [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Property, Plant and Equipment [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BuildingMember" xml:lang="en-US">Building [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_BuildingMember" xml:lang="en-US">Buildings [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingMember" xlink:to="lab_us-gaap_BuildingMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VehiclesMember" xlink:label="loc_us-gaap_VehiclesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_VehiclesMember" xml:lang="en-US">Vehicles [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_VehiclesMember" xml:lang="en-US">Motor vehicles [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VehiclesMember" xlink:to="lab_us-gaap_VehiclesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US">Leasehold Improvements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US">Leasehold improvements [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseholdImprovementsMember" xlink:to="lab_us-gaap_LeaseholdImprovementsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US">Furniture and Fixtures [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US">Furniture, fixtures and equipment [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FurnitureAndFixturesMember" xlink:to="lab_us-gaap_FurnitureAndFixturesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property and Equipment [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" xml:lang="en-US">Property, Plant and Equipment, Estimated Useful Lives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" xml:lang="en-US">Estimated Useful Lives</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xml:lang="en-US">Property, Plant and Equipment, Useful Life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xml:lang="en-US">Estimated Useful Lives</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_RangeAxis" xml:lang="en-US">Statistical Measurement [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_RangeAxis" xml:lang="en-US">Range [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_RangeMember" xml:lang="en-US">Statistical Measurement [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_RangeMember" xml:lang="en-US">Range [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfSignificantAccountingPoliciesTable" xlink:label="loc_msc_ScheduleOfSignificantAccountingPoliciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesTable" xml:lang="en-US">Schedule Of Significant Accounting Policies [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesTable" xml:lang="en-US">Schedule Of Significant Accounting Policies [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfSignificantAccountingPoliciesTable" xlink:to="lab_msc_ScheduleOfSignificantAccountingPoliciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesTable" xml:lang="en-US">Schedule Of Significant Accounting Policies [Table]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfSignificantAccountingPoliciesLineItems" xlink:label="loc_msc_ScheduleOfSignificantAccountingPoliciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Schedule Of Significant Accounting Policies [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Schedule Of Significant Accounting Policies [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfSignificantAccountingPoliciesLineItems" xlink:to="lab_msc_ScheduleOfSignificantAccountingPoliciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Schedule of significant accounting policies.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Anti-dilutive Class A ordinary shares under the if-converted method excluded from the calculation of diluted net (loss) income attributable to Studio City International Holdings Limited per Class A ordinary share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Incremental weighted average number of Class A ordinary shares from assumed exchange of Class B ordinary shares to Class A ordinary shares under the if-converted method</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xml:lang="en-US">Adjustments for New Accounting Pronouncements [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xml:lang="en-US">Adjustments for New Accounting Pronouncements [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TypeOfAdoptionMember" xml:lang="en-US">Type of Adoption [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_TypeOfAdoptionMember" xml:lang="en-US">Type of Adoption [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfAdoptionMember" xlink:to="lab_us-gaap_TypeOfAdoptionMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201602Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountingStandardsUpdate201602Member" xml:lang="en-US">Accounting Standards Update 2016-02 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountingStandardsUpdate201602Member" xml:lang="en-US">Accounting Standards Update 2016-02 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201602Member" xlink:to="lab_us-gaap_AccountingStandardsUpdate201602Member" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaap_TypeOfArrangementAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TypeOfArrangementAxis" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_TypeOfArrangementAxis" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_TypeOfArrangementAxis" xml:lang="en-US">Type of Arrangement and Non-arrangement Transactions [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfArrangementAxis" xlink:to="lab_us-gaap_TypeOfArrangementAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xml:lang="en-US">Arrangements and Non-arrangement Transactions [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xml:lang="en-US">Arrangements and Non-arrangement Transactions [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AdvanceCustomerDepositsAndTicketSalesMember" xlink:label="loc_msc_AdvanceCustomerDepositsAndTicketSalesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AdvanceCustomerDepositsAndTicketSalesMember" xml:lang="en-US">Advance Customer Deposits And Ticket Sales [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_AdvanceCustomerDepositsAndTicketSalesMember" xml:lang="en-US">Advance Customer Deposits and Ticket Sales [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AdvanceCustomerDepositsAndTicketSalesMember" xml:lang="en-US">Advance Customer Deposits And Ticket Sales [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AdvanceCustomerDepositsAndTicketSalesMember" xlink:to="lab_msc_AdvanceCustomerDepositsAndTicketSalesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AdvanceCustomerDepositsAndTicketSalesMember" xml:lang="en-US">Advance Customer Deposits And Ticket Sales.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="loc_us-gaap_AdvertisingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdvertisingExpense" xml:lang="en-US">Advertising Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdvertisingExpense" xml:lang="en-US">Advertising and promotional costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdvertisingExpense" xlink:to="lab_us-gaap_AdvertisingExpense" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_MaximumDepositsRecognizingPeriod" xlink:label="loc_msc_MaximumDepositsRecognizingPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_MaximumDepositsRecognizingPeriod" xml:lang="en-US">Maximum deposits recognizing Period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_MaximumDepositsRecognizingPeriod" xml:lang="en-US">Maximum deposits recognizing period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_MaximumDepositsRecognizingPeriod" xlink:to="lab_msc_MaximumDepositsRecognizingPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_MaximumDepositsRecognizingPeriod" xml:lang="en-US">Maximum deposits recognizing Period.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerRefundLiability" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ContractWithCustomerRefundLiability" xml:lang="en-US">Contract with Customer, Refund Liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ContractWithCustomerRefundLiability" xml:lang="en-US">Advance customer deposits and ticket sales</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerRefundLiability" xlink:to="lab_us-gaap_ContractWithCustomerRefundLiability" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseLiability" xml:lang="en-US">Operating Lease, Liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingLeaseLiability" xml:lang="en-US">Operating lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OperatingLeaseLiability" xml:lang="en-US">Present value of future minimum lease payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability" xlink:to="lab_us-gaap_OperatingLeaseLiability" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" xlink:label="loc_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" xml:lang="en-US">Write off of accumulated amortization of gaming assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" xml:lang="en-US">Amortization writeoff of Gaming Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" xlink:to="lab_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_WriteOffOfAccumulatedAmortizationOfGamingAssets" xml:lang="en-US">Write off of accumulated amortization of gaming assets.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PercentageOfTaxBenefitGreaterThanLikelihood" xlink:label="loc_msc_PercentageOfTaxBenefitGreaterThanLikelihood" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PercentageOfTaxBenefitGreaterThanLikelihood" xml:lang="en-US">Percentage Of Tax Benefit Greater Than Likelihood</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PercentageOfTaxBenefitGreaterThanLikelihood" xml:lang="en-US">Percentage of tax benefit greater than likelihood</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PercentageOfTaxBenefitGreaterThanLikelihood" xlink:to="lab_msc_PercentageOfTaxBenefitGreaterThanLikelihood" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PercentageOfTaxBenefitGreaterThanLikelihood" xml:lang="en-US">Percentage of tax benefit greater than likelihood</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightPeriod" xlink:label="loc_msc_LandUseRightPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightPeriod" xml:lang="en-US">Land Use Right Period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LandUseRightPeriod" xml:lang="en-US">Land use rights, estimated useful life</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightPeriod" xlink:to="lab_msc_LandUseRightPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightPeriod" xml:lang="en-US">Land Use Right Period</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" xlink:label="loc_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" xml:lang="en-US">Increase Decrease in Advance Customer Deposits and Ticket Sales</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" xml:lang="en-US">Decrease in advance customer deposits and ticket sales</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" xlink:to="lab_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncreaseDecreaseInAdvanceCustomerDepositsAndTicketSales" xml:lang="en-US">Increase (decrease) in advance customer deposits and ticket sales.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestCostsIncurred" xlink:label="loc_us-gaap_InterestCostsIncurred" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestCostsIncurred" xml:lang="en-US">Interest Costs Incurred</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InterestCostsIncurred" xml:lang="en-US">Interest expenses incurred</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestCostsIncurred" xlink:to="lab_us-gaap_InterestCostsIncurred" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestCostsCapitalized" xml:lang="en-US">Interest Costs Capitalized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InterestCostsCapitalized" xml:lang="en-US">Interest expenses capitalized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestCostsCapitalized" xlink:to="lab_us-gaap_InterestCostsCapitalized" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xml:lang="en-US">Software and Software Development Costs [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xml:lang="en-US">Internal-use Software [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:to="lab_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_HotelServicesMember" xlink:label="loc_msc_HotelServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_HotelServicesMember" xml:lang="en-US">Hotel Services [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_HotelServicesMember" xml:lang="en-US">Hotel [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_HotelServicesMember" xlink:to="lab_msc_HotelServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_HotelServicesMember" xml:lang="en-US">Hotel Services [Member]"</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OtherMember" xlink:label="loc_msc_OtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OtherMember" xml:lang="en-US">Other [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OtherMember" xml:lang="en-US">Other [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OtherMember" xlink:to="lab_msc_OtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OtherMember" xml:lang="en-US">Other [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xml:lang="en-US">Accounts Receivable [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xml:lang="en-US">Accounts Receivable, before Allowance for Credit Loss, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xml:lang="en-US">Accounts receivable, gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:to="lab_us-gaap_AccountsReceivableGrossCurrent" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" xlink:label="loc_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" xml:lang="en-US">Effect Of Exchange Rate On Allowance For Doubtful Accounts Receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" xml:lang="en-US">Effect of exchange rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" xlink:to="lab_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_EffectOfExchangeRateOnAllowanceForDoubtfulAccountsReceivable" xml:lang="en-US">Amount of effect of exchange rate on allowance for credit loss of accounts receivable.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xml:lang="en-US">Accounts Receivable, Credit Loss Expense (Reversal)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xml:lang="en-US">Provision for credit losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xml:lang="en-US">Accounts Receivable, Allowance for Credit Loss, Writeoff</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xml:lang="en-US">Write-offs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xml:lang="en-US">Property, Plant and Equipment, Net, by Type [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xml:lang="en-US">Property and Equipment, Net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US">Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Less: accumulated depreciation and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ConstructionInProgressMember" xml:lang="en-US">Construction in Progress [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ConstructionInProgressMember" xml:lang="en-US">Construction in progress [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember" xlink:to="lab_us-gaap_ConstructionInProgressMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CostsCapitalizedToConstructionInProgress" xlink:label="loc_msc_CostsCapitalizedToConstructionInProgress" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CostsCapitalizedToConstructionInProgress" xml:lang="en-US">Costs Capitalized To Construction In Progress</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CostsCapitalizedToConstructionInProgress" xml:lang="en-US">Costs capitalized to construction in progress</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CostsCapitalizedToConstructionInProgress" xlink:to="lab_msc_CostsCapitalizedToConstructionInProgress" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CostsCapitalizedToConstructionInProgress" xml:lang="en-US">Amount of accumulated interest and finance costs and other direct incidental costs capitalized as part of construction in progress.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xml:lang="en-US">Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmortizationOfFiniteLivedIntangibleAssets" xlink:label="loc_msc_AmortizationOfFiniteLivedIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmortizationOfFiniteLivedIntangibleAssets" xml:lang="en-US">Amortization Of Finite Lived Intangible Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AmortizationOfFiniteLivedIntangibleAssets" xml:lang="en-US">Amortization of finite lived intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmortizationOfFiniteLivedIntangibleAssets" xlink:to="lab_msc_AmortizationOfFiniteLivedIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmortizationOfFiniteLivedIntangibleAssets" xml:lang="en-US">Amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-Lived Intangible Assets, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-lived intangible assets, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-lived intangible assets, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-lived intangible assets, gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Less: accumulated amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_GoodwillAndIntangibleAssetsLineItems" xlink:label="loc_msc_GoodwillAndIntangibleAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_GoodwillAndIntangibleAssetsLineItems" xml:lang="en-US">Goodwill And Intangible Assets [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_GoodwillAndIntangibleAssetsLineItems" xml:lang="en-US">Goodwill And Intangible Assets [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_GoodwillAndIntangibleAssetsLineItems" xlink:to="lab_msc_GoodwillAndIntangibleAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_GoodwillAndIntangibleAssetsLineItems" xml:lang="en-US">Goodwill And Intangible Assets [Line Items]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Three</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/negativeLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xml:lang="en-US">2024</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xml:lang="en-US">2022</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xml:lang="en-US">2023</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongTermPrepaymentsDepositsAndOtherAssetsAbstract" xlink:label="loc_msc_LongTermPrepaymentsDepositsAndOtherAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsAbstract" xml:lang="en-US">Long term prepayments deposits and other assets [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongTermPrepaymentsDepositsAndOtherAssetsAbstract" xlink:to="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepositsAssetsNoncurrent" xlink:label="loc_us-gaap_DepositsAssetsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DepositsAssetsNoncurrent" xml:lang="en-US">Deposits Assets, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DepositsAssetsNoncurrent" xml:lang="en-US">Advance payments and deposits for acquisition of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepositsAssetsNoncurrent" xlink:to="lab_us-gaap_DepositsAssetsNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseNoncurrent" xlink:label="loc_us-gaap_PrepaidExpenseNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseNoncurrent" xml:lang="en-US">Prepaid Expense, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_PrepaidExpenseNoncurrent" xml:lang="en-US">Long-term prepayments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseNoncurrent" xlink:to="lab_us-gaap_PrepaidExpenseNoncurrent" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OtherAssetsNoncurrentGross" xlink:label="loc_msc_OtherAssetsNoncurrentGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OtherAssetsNoncurrentGross" xml:lang="en-US">Other Assets Noncurrent Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OtherAssetsNoncurrentGross" xml:lang="en-US">Other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OtherAssetsNoncurrentGross" xlink:to="lab_msc_OtherAssetsNoncurrentGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OtherAssetsNoncurrentGross" xml:lang="en-US">Other Assets Noncurrent, Gross</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AccumulatedAmortizationOtherAssetsNoncurrent" xlink:label="loc_msc_AccumulatedAmortizationOtherAssetsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AccumulatedAmortizationOtherAssetsNoncurrent" xml:lang="en-US">Accumulated Amortization Other Assets Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_AccumulatedAmortizationOtherAssetsNoncurrent" xml:lang="en-US">Less: accumulated amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AccumulatedAmortizationOtherAssetsNoncurrent" xlink:to="lab_msc_AccumulatedAmortizationOtherAssetsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AccumulatedAmortizationOtherAssetsNoncurrent" xml:lang="en-US">Accumulated amortization of other long-term assets as of balance sheet date.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xml:lang="en-US">Other Assets, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xml:lang="en-US">Other long-term assets, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_us-gaap_OtherAssetsNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" xml:lang="en-US">Prepaid Expense and Other Assets, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" xml:lang="en-US">Other deposits and other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredFinanceCostsNoncurrentNet" xml:lang="en-US">Debt Issuance Costs, Noncurrent, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredFinanceCostsNoncurrentNet" xml:lang="en-US">Deferred financing costs, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:to="lab_us-gaap_DeferredFinanceCostsNoncurrentNet" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightAbstract" xlink:label="loc_msc_LandUseRightAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightAbstract" xml:lang="en-US">Land Use Right [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightAbstract" xlink:to="lab_msc_LandUseRightAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightAbstract" xml:lang="en-US">Land use right.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AccumulatedAmortizationOfLandUseRight" xlink:label="loc_msc_AccumulatedAmortizationOfLandUseRight" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AccumulatedAmortizationOfLandUseRight" xml:lang="en-US">Accumulated Amortization Of Land Use Right</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_AccumulatedAmortizationOfLandUseRight" xml:lang="en-US">Less: accumulated amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AccumulatedAmortizationOfLandUseRight" xlink:to="lab_msc_AccumulatedAmortizationOfLandUseRight" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AccumulatedAmortizationOfLandUseRight" xml:lang="en-US">Accumulated amount of amortization of land use right.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandUseRightGross" xlink:label="loc_msc_LandUseRightGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandUseRightGross" xml:lang="en-US">Land Use Right, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_LandUseRightGross" xml:lang="en-US">Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandUseRightGross" xlink:to="lab_msc_LandUseRightGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandUseRightGross" xml:lang="en-US">Gross amounts as of the balance sheet date of amounts paid or payable for the use of land that is expected to provide economic benefit for more than one year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xml:lang="en-US">Accounts Payable and Accrued Liabilities, Current [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent" xml:lang="en-US">Other Accrued Liabilities, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent" xml:lang="en-US">Operating expense and other accruals and liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" xlink:label="loc_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" xml:lang="en-US">Payables For Acquisition Of Property And Equipment Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" xml:lang="en-US">Property and equipment payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" xlink:to="lab_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PayablesForAcquisitionOfPropertyAndEquipmentCurrent" xml:lang="en-US">The current portion of payables for acquisition of property and equipment.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xml:lang="en-US">Operating Lease, Liability, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xml:lang="en-US">Operating lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xml:lang="en-US">Present value of future minimum lease payments current portion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestPayableCurrent" xml:lang="en-US">Interest Payable, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InterestPayableCurrent" xml:lang="en-US">Interest expenses payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrent" xlink:to="lab_us-gaap_InterestPayableCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xml:lang="en-US">Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" xlink:to="lab_us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="loc_us-gaap_ContractWithCustomerLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ContractWithCustomerLiability" xml:lang="en-US">Contract with Customer, Liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ContractWithCustomerLiability" xml:lang="en-US">Advance customer deposits and ticket sales</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiability" xlink:to="lab_us-gaap_ContractWithCustomerLiability" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentTable" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentTable" xml:lang="en-US">Debt Instruments [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DebtInstrumentTable" xml:lang="en-US">Debt Instruments [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="lab_us-gaap_DebtInstrumentTable" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xlink:label="loc_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xml:lang="en-US">Two Thousand And Twenty One Five Point Zero Zero Zero Percent Studio City Notes Due 2029 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xml:lang="en-US">2021 5.000% Studio City Notes, due 2029 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xml:lang="en-US">2021 5.000% Studio City Notes, due 2029 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xlink:to="lab_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentyOneFivePointZeroZeroZeroPercentStudioCityNotesDue2029Member" xml:lang="en-US">Two Thousand And Twenty One Five Point Zero Zero Zero Percent Studio City Notes Due 2029 [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" xlink:label="loc_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" xml:lang="en-US">Two Thousand And Twenty Six Point Zero Zero Zero Percent S C Notes Due2025 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" xml:lang="en-US">2020 6.000% SC Notes, due 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" xlink:to="lab_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentySixPointZeroZeroZeroPercentSCNotesDue2025Member" xml:lang="en-US">Two Thousand and Twenty Six Point Zero Zero Zero Percent SC Notes Due 2025 [Member].</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" xlink:label="loc_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" xml:lang="en-US">Two Thousand And Twenty Six Point Five Zero Zero Percent S C Notes Due2028 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" xml:lang="en-US">2020 6.500% SC Notes, due 2028 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" xlink:to="lab_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentySixPointFiveZeroZeroPercentSCNotesDue2028Member" xml:lang="en-US">Two Thousand and Twenty Six Point Five Zero Zero Percent SC Notes Due 2028 [Member].</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xlink:label="loc_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xml:lang="en-US">Two Thousand and Nineteen Seven Point Two Five Zero Percent Studio City Notes Due 2024 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xml:lang="en-US">2019 7.250% Studio City Notes, due 2024 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xml:lang="en-US">2019 7.250% Studio City Notes, due 2024 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xlink:to="lab_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndNineteenSevenPointTwoFiveZeroPercentStudioCityNotesDue2024Member" xml:lang="en-US">Two Thousand and Nineteen Seven Point Two Five Zero Percent Studio City Notes Due 2024 [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xml:lang="en-US">Debt Instrument [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xml:lang="en-US">Long-term Debt [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xml:lang="en-US">Long-term Debt [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="lab_us-gaap_DebtInstrumentLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebt" xml:lang="en-US">Long-term Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongTermDebt" xml:lang="en-US">Long-term debt, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt" xlink:to="lab_us-gaap_LongTermDebt" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CreditFacilityMember" xlink:label="loc_msc_CreditFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CreditFacilityMember" xml:lang="en-US">Credit Facility [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CreditFacilityMember" xml:lang="en-US">Total Credit Facility [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CreditFacilityMember" xlink:to="lab_msc_CreditFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CreditFacilityMember" xml:lang="en-US">Total Credit Facility [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis" xlink:to="lab_us-gaap_LongtermDebtTypeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="lab_us-gaap_LongtermDebtTypeDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SeniorNotesMember" xml:lang="en-US">Senior Notes [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SeniorNotesMember" xml:lang="en-US">Senior Notes [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotesMember" xlink:to="lab_us-gaap_SeniorNotesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xml:lang="en-US">Debt Issuance Costs, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xml:lang="en-US">Unamortized deferred financing costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet" xlink:to="lab_us-gaap_DeferredFinanceCostsNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xml:lang="en-US">Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xml:lang="en-US">Unamortized deferred financing costs and original issue premiums</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xml:lang="en-US">Balance Sheet Location [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="lab_us-gaap_BalanceSheetLocationAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xml:lang="en-US">Balance Sheet Location [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_us-gaap_BalanceSheetLocationDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" xlink:label="loc_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" xml:lang="en-US">Long term Prepayments Deposits and Other Assets [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" xml:lang="en-US">Long term Prepayments, Deposits and Other Assets [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" xlink:to="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LongTermPrepaymentsDepositsAndOtherAssetsMember" xml:lang="en-US">Long-term Prepayments, Deposits and Other Assets [Member].</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis" xml:lang="en-US">Debt Instrument, Redemption, Period [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain" xml:lang="en-US">Debt Instrument, Redemption, Period [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" xlink:label="loc_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" xml:lang="en-US">Prior To January Fifteenth Two Thousand And Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" xml:lang="en-US">Prior to January 15, 2024 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" xlink:to="lab_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PriorToJanuaryFifteenthTwoThousandAndTwentyFourMember" xml:lang="en-US">Prior To January Fifteenth Two Thousand And Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_SeniorNotesTwoMember" xlink:label="loc_msc_SeniorNotesTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_SeniorNotesTwoMember" xml:lang="en-US">Senior Notes Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_SeniorNotesTwoMember" xml:lang="en-US">Additional 2021 5.000% Studio City Notes [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_SeniorNotesTwoMember" xlink:to="lab_msc_SeniorNotesTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_SeniorNotesTwoMember" xml:lang="en-US">Additional Two Thousand and Twenty One Five Point Zero Zero Zero Percent Studio City Notes [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_SeniorNotesOneMember" xlink:label="loc_msc_SeniorNotesOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_SeniorNotesOneMember" xml:lang="en-US">Senior Notes One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_SeniorNotesOneMember" xml:lang="en-US">First 2021 5.000% Studio City Notes [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_SeniorNotesOneMember" xlink:to="lab_msc_SeniorNotesOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_SeniorNotesOneMember" xml:lang="en-US">First Two Thousand And Twenty One Five Point Zero Zero Zero Percent Studio City Notes [Member].</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US">Debt Instrument, Maturity Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US">Maturity date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US">Maturity date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentMaturityDate" xlink:to="lab_us-gaap_DebtInstrumentMaturityDate" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xlink:label="loc_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xml:lang="en-US">Senior Notes Purchase Price As Percentage Of Principal</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xml:lang="en-US">Purchase price as percentage of principal</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xml:lang="en-US">Purchase price as percentage of principal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xlink:to="lab_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_SeniorNotesPurchasePriceAsPercentageOfPrincipal" xml:lang="en-US">Senior notes purchase price as percentage of principal.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NetAssetsRestrictedFromDistribution" xlink:label="loc_msc_NetAssetsRestrictedFromDistribution" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NetAssetsRestrictedFromDistribution" xml:lang="en-US">Net Assets Restricted From Distribution</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_NetAssetsRestrictedFromDistribution" xml:lang="en-US">Net assets restricted from distribution</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NetAssetsRestrictedFromDistribution" xlink:to="lab_msc_NetAssetsRestrictedFromDistribution" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NetAssetsRestrictedFromDistribution" xml:lang="en-US">Net assets as of the date restricted from being distributed under the terms of the debt instrument.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RedeemablePercentageOfPrincipalMaximum" xlink:label="loc_msc_RedeemablePercentageOfPrincipalMaximum" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RedeemablePercentageOfPrincipalMaximum" xml:lang="en-US">Redeemable Percentage Of Principal Maximum</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_RedeemablePercentageOfPrincipalMaximum" xml:lang="en-US">Maximum redeemable percentage of principal prior to a specific date for partial redemption with net cash proceeds from equity offerings at a fixed redemption price</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RedeemablePercentageOfPrincipalMaximum" xlink:to="lab_msc_RedeemablePercentageOfPrincipalMaximum" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RedeemablePercentageOfPrincipalMaximum" xml:lang="en-US">Maximum redeemable percentage of principal.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentyStudioCityNotesMember" xlink:label="loc_msc_TwoThousandAndTwentyStudioCityNotesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentyStudioCityNotesMember" xml:lang="en-US">Two Thousand And Twenty Studio City Notes [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_TwoThousandAndTwentyStudioCityNotesMember" xml:lang="en-US">2020 Studio City Notes [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentyStudioCityNotesMember" xlink:to="lab_msc_TwoThousandAndTwentyStudioCityNotesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentyStudioCityNotesMember" xml:lang="en-US">Two Thousand And Twenty Studio City Notes [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" xlink:label="loc_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" xml:lang="en-US">Prior To July Fifteenth Two Thousand And Twenty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" xml:lang="en-US">Prior to July 15, 2022 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" xlink:to="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyTwoMember" xml:lang="en-US">Prior To July Fifteenth Two Thousand and Twenty Two [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" xlink:label="loc_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" xml:lang="en-US">Prior To July Fifteenth Two Thousand And Twenty Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" xml:lang="en-US">Prior to July 15, 2023 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" xlink:to="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PriorToJulyFifteenthTwoThousandAndTwentyThreeMember" xml:lang="en-US">Prior To July Fifteenth Two Thousand and Twenty Three [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xml:lang="en-US">Subsequent Event Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xml:lang="en-US">Subsequent Event Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis" xlink:to="lab_us-gaap_SubsequentEventTypeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xml:lang="en-US">Subsequent Event Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xml:lang="en-US">Subsequent Event Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_us-gaap_SubsequentEventTypeDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ConditionalTenderOfferMember" xlink:label="loc_msc_ConditionalTenderOfferMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ConditionalTenderOfferMember" xml:lang="en-US">Conditional Tender Offer [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ConditionalTenderOfferMember" xlink:to="lab_msc_ConditionalTenderOfferMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ConditionalTenderOfferMember" xml:lang="en-US">Conditional tender offer.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LoanRestructuringModificationAxis" xlink:label="loc_us-gaap_LoanRestructuringModificationAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LoanRestructuringModificationAxis" xml:lang="en-US">Loan Restructuring Modification [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LoanRestructuringModificationAxis" xml:lang="en-US">Loan Restructuring Modification [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationAxis" xlink:to="lab_us-gaap_LoanRestructuringModificationAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LoanRestructuringModificationDomain" xlink:label="loc_us-gaap_LoanRestructuringModificationDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LoanRestructuringModificationDomain" xml:lang="en-US">Loan Restructuring Modification [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LoanRestructuringModificationDomain" xml:lang="en-US">Loan Restructuring Modification [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationDomain" xlink:to="lab_us-gaap_LoanRestructuringModificationDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_VariableRateAxis" xml:lang="en-US">Variable Rate [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_VariableRateAxis" xml:lang="en-US">Variable Rate [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis" xlink:to="lab_us-gaap_VariableRateAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_VariableRateDomain" xml:lang="en-US">Variable Rate [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_VariableRateDomain" xml:lang="en-US">Variable Rate [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain" xlink:to="lab_us-gaap_VariableRateDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_HongKongInterbankOfferedRateHIBORMember" xlink:label="loc_msc_HongKongInterbankOfferedRateHIBORMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_HongKongInterbankOfferedRateHIBORMember" xml:lang="en-US">Hong Kong Interbank Offered Rate H I B O R [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_HongKongInterbankOfferedRateHIBORMember" xml:lang="en-US">Hong Kong Interbank Offered Rate HIBOR [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_HongKongInterbankOfferedRateHIBORMember" xlink:to="lab_msc_HongKongInterbankOfferedRateHIBORMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_HongKongInterbankOfferedRateHIBORMember" xml:lang="en-US">Hong Kong Interbank Offered Rate HIBOR [Member].</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TermLoanFacilityMember" xlink:label="loc_msc_TermLoanFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TermLoanFacilityMember" xml:lang="en-US">Term Loan Facility [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TermLoanFacilityMember" xml:lang="en-US">Term Loan Facility [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TermLoanFacilityMember" xlink:to="lab_msc_TermLoanFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TermLoanFacilityMember" xml:lang="en-US">Term Loan Facility [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StudioCityProjectFacilityMember" xlink:label="loc_msc_StudioCityProjectFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StudioCityProjectFacilityMember" xml:lang="en-US">Studio City Project Facility [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_StudioCityProjectFacilityMember" xml:lang="en-US">Studio City Project Facility [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StudioCityProjectFacilityMember" xlink:to="lab_msc_StudioCityProjectFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StudioCityProjectFacilityMember" xml:lang="en-US">Studio City Project Facility [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Credit facility, maximum borrowing capacity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCollateralForBorrowedSecurities" xlink:label="loc_us-gaap_CashCollateralForBorrowedSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashCollateralForBorrowedSecurities" xml:lang="en-US">Cash Collateral for Borrowed Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashCollateralForBorrowedSecurities" xml:lang="en-US">Term loan facility, cash collateral</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCollateralForBorrowedSecurities" xlink:to="lab_us-gaap_CashCollateralForBorrowedSecurities" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xml:lang="en-US">Interest rate margin per annum added to applicable variable rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xml:lang="en-US">Line of Credit Facility, Commitment Fee Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xml:lang="en-US">Loan commitment fees recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:to="lab_us-gaap_LineOfCreditFacilityCommitmentFeeAmount" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DebtInstrumentAverageInterestRateDuringPeriod" xlink:label="loc_msc_DebtInstrumentAverageInterestRateDuringPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DebtInstrumentAverageInterestRateDuringPeriod" xml:lang="en-US">Debt Instrument Average Interest Rate During Period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DebtInstrumentAverageInterestRateDuringPeriod" xml:lang="en-US">Average borrowing rate per annum</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DebtInstrumentAverageInterestRateDuringPeriod" xlink:to="lab_msc_DebtInstrumentAverageInterestRateDuringPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DebtInstrumentAverageInterestRateDuringPeriod" xml:lang="en-US">Debt instrument average interest rate during period.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">2025</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">2024</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">2023</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Long-Term Debt, Maturity, after Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Over 2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">2022</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeLeaseDescriptionTable" xml:lang="en-US">Lessee, Lease, Description [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable" xlink:to="lab_us-gaap_LesseeLeaseDescriptionTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems" xml:lang="en-US">Lessee, Lease, Description [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems" xml:lang="en-US">Lessee, Lease, Description [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="lab_us-gaap_LesseeLeaseDescriptionLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostAbstract" xlink:label="loc_us-gaap_LeaseCostAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseCostAbstract" xml:lang="en-US">Lease, Cost [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LeaseCostAbstract" xml:lang="en-US">Operating lease cost:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCostAbstract" xlink:to="lab_us-gaap_LeaseCostAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmortizationOfLandUseRights" xlink:label="loc_msc_AmortizationOfLandUseRights" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmortizationOfLandUseRights" xml:lang="en-US">Amortization Of Land Use Rights</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_AmortizationOfLandUseRights" xml:lang="en-US">Amortization of land use right</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmortizationOfLandUseRights" xlink:to="lab_msc_AmortizationOfLandUseRights" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmortizationOfLandUseRights" xml:lang="en-US">Amortization Of Land Use Rights</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseCost" xml:lang="en-US">Operating Lease, Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingLeaseCost" xml:lang="en-US">Operating lease costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseCost" xlink:to="lab_us-gaap_OperatingLeaseCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermLeaseCost" xlink:label="loc_us-gaap_ShortTermLeaseCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShortTermLeaseCost" xml:lang="en-US">Short-term Lease, Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShortTermLeaseCost" xml:lang="en-US">Short-term lease costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermLeaseCost" xlink:to="lab_us-gaap_ShortTermLeaseCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseCost" xml:lang="en-US">Lease, Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LeaseCost" xml:lang="en-US">Total lease costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseCost" xlink:to="lab_us-gaap_LeaseCost" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" xlink:label="loc_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" xml:lang="en-US">Lessee Operating Lease Other Information Related To Lease Term And Discount Rate [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" xlink:to="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LesseeOperatingLeaseOtherInformationRelatedToLeaseTermAndDiscountRateAbstract" xml:lang="en-US">Lessee Operating Lease Other Information Related To Lease Term And Discount Rate.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xml:lang="en-US">Operating Lease, Weighted Average Remaining Lease Term</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xml:lang="en-US">Operating leases, Weighted average remaining lease term</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xml:lang="en-US">Operating Lease, Weighted Average Discount Rate, Percent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xml:lang="en-US">Operating leases, Weighted average discount rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Four</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xml:lang="en-US">Year ending December 31, 2025</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xml:lang="en-US">Year ending December 31, 2024</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due after Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xml:lang="en-US">Over year ending December 31, 2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xml:lang="en-US">Total future minimum lease payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xml:lang="en-US">Year ending December 31, 2023</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xml:lang="en-US">Less: amount representing interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xml:lang="en-US">Less: amount representing interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xml:lang="en-US">Year ending December 31, 2022</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xml:lang="en-US">Year ending December 31, 2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LessorLeaseDescriptionLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorLeaseDescriptionLineItems" xml:lang="en-US">Lessor, Lease, Description [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorLeaseDescriptionLineItems" xml:lang="en-US">Lessor, Lease, Description [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems" xlink:to="lab_us-gaap_LessorLeaseDescriptionLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, after Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" xml:lang="en-US">Over year ending December 31, 2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Three</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" xml:lang="en-US">Year ending December 31, 2024</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xml:lang="en-US">Year ending December 31, 2026</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xml:lang="en-US">Total minimum future fees to be received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" xml:lang="en-US">Year ending December 31, 2023</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xml:lang="en-US">Year ending December 31, 2022</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Four</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xml:lang="en-US">Year ending December 31, 2025</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" xlink:label="loc_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" xml:lang="en-US">Operating Lease Agreements Last Expiration Date As Grantor</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" xml:lang="en-US">Operating leases - as lessor, last expiry date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" xlink:to="lab_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OperatingLeaseAgreementsLastExpirationDateAsGrantor" xml:lang="en-US">Operating lease agreements last expiration date as lessor.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xml:lang="en-US">Estimated Lease Term</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="lab_us-gaap_LesseeOperatingLeaseTermOfContract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ContractualObligationsTerm" xlink:label="loc_msc_ContractualObligationsTerm" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ContractualObligationsTerm" xml:lang="en-US">Contractual Obligations Term</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_ContractualObligationsTerm" xml:lang="en-US">Initial contract term (in years)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ContractualObligationsTerm" xlink:to="lab_msc_ContractualObligationsTerm" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ContractualObligationsTerm" xml:lang="en-US">Contractual obligations term.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ExtendedContractualLeaseTerm" xlink:label="loc_msc_ExtendedContractualLeaseTerm" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ExtendedContractualLeaseTerm" xml:lang="en-US">Extended Contractual Lease Term</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_ExtendedContractualLeaseTerm" xml:lang="en-US">Renewable contract term</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ExtendedContractualLeaseTerm" xlink:to="lab_msc_ExtendedContractualLeaseTerm" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ExtendedContractualLeaseTerm" xml:lang="en-US">Extended contractual lease term.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" xlink:label="loc_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" xml:lang="en-US">Amount Of Reduction In Lease Income As A Result Of The Rent Concession And Uncollectible Lease Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" xml:lang="en-US">Amount of reduction in lease income as a result of the rent concession and uncollectible lease income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" xlink:to="lab_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmountOfReductionInLeaseIncomeAsAResultOfTheRentConcessionAndUncollectibleLeaseIncome" xml:lang="en-US">Amount of reduction in lease income as a result of the rent concession and uncollectible lease income related to effects of the COVID-19 pandemic.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LessorOperatingLeasesMinimumLeaseRevenue" xlink:label="loc_msc_LessorOperatingLeasesMinimumLeaseRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LessorOperatingLeasesMinimumLeaseRevenue" xml:lang="en-US">Lessor Operating Leases Minimum Lease Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_LessorOperatingLeasesMinimumLeaseRevenue" xml:lang="en-US">Minimum operating lease income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LessorOperatingLeasesMinimumLeaseRevenue" xlink:to="lab_msc_LessorOperatingLeasesMinimumLeaseRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LessorOperatingLeasesMinimumLeaseRevenue" xml:lang="en-US">The amount of lease revenue recognized for which the lessee was obligated under leasing arrangements regardless of any other events or conditions. This amount excludes contingent revenue and sublease revenue.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LessorOperatingLeasesContingentRevenue" xlink:label="loc_msc_LessorOperatingLeasesContingentRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LessorOperatingLeasesContingentRevenue" xml:lang="en-US">Lessor Operating Leases Contingent Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_msc_LessorOperatingLeasesContingentRevenue" xml:lang="en-US">Contingent operating lease income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LessorOperatingLeasesContingentRevenue" xlink:to="lab_msc_LessorOperatingLeasesContingentRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LessorOperatingLeasesContingentRevenue" xml:lang="en-US">Amount of contingent rental revenue recognized, based on the occurrences of an event or condition.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LandConcessionContractsMember" xlink:label="loc_msc_LandConcessionContractsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LandConcessionContractsMember" xml:lang="en-US">Land Concession Contracts [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LandConcessionContractsMember" xlink:to="lab_msc_LandConcessionContractsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LandConcessionContractsMember" xml:lang="en-US">Land concession contracts.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongTermDebtFairValue" xml:lang="en-US">Long-term Debt, Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongTermDebtFairValue" xml:lang="en-US">The estimated fair value of long-term debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtFairValue" xlink:to="lab_us-gaap_LongTermDebtFairValue" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DisclosureOnCapitalStructureAbstract" xlink:label="loc_msc_DisclosureOnCapitalStructureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DisclosureOnCapitalStructureAbstract" xml:lang="en-US">Disclosure on Capital Structure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DisclosureOnCapitalStructureAbstract" xlink:to="lab_msc_DisclosureOnCapitalStructureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DisclosureOnCapitalStructureAbstract" xml:lang="en-US">Disclosure on capital structure.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CapitalStructureTable" xlink:label="loc_msc_CapitalStructureTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CapitalStructureTable" xml:lang="en-US">Capital Structure [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CapitalStructureTable" xml:lang="en-US">Capital Structure [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CapitalStructureTable" xlink:to="lab_msc_CapitalStructureTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CapitalStructureTable" xml:lang="en-US">Capital Structure [Table]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentyPrivatePlacementsMember" xlink:label="loc_msc_TwoThousandAndTwentyPrivatePlacementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentyPrivatePlacementsMember" xml:lang="en-US">Two Thousand And Twenty Private Placements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentyPrivatePlacementsMember" xml:lang="en-US">Two Thousand And Twenty Private Placements [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentyPrivatePlacementsMember" xlink:to="lab_msc_TwoThousandAndTwentyPrivatePlacementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentyPrivatePlacementsMember" xml:lang="en-US">Two thousand and twenty private placements.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CapitalStructureLineItems" xlink:label="loc_msc_CapitalStructureLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CapitalStructureLineItems" xml:lang="en-US">Capital Structure [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CapitalStructureLineItems" xml:lang="en-US">Capital Structure [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CapitalStructureLineItems" xlink:to="lab_msc_CapitalStructureLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CapitalStructureLineItems" xml:lang="en-US">Capital Structure [Line Items]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OfferingExpense" xlink:label="loc_msc_OfferingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OfferingExpense" xml:lang="en-US">Offering Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OfferingExpense" xml:lang="en-US">Offering expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OfferingExpense" xlink:to="lab_msc_OfferingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OfferingExpense" xml:lang="en-US">Offering expense.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Gross proceeds from shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmericanDepositorySharesMember" xlink:label="loc_msc_AmericanDepositorySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmericanDepositorySharesMember" xml:lang="en-US">American Depository Shares [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AmericanDepositorySharesMember" xml:lang="en-US">American Depository Shares [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmericanDepositorySharesMember" xlink:to="lab_msc_AmericanDepositorySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmericanDepositorySharesMember" xml:lang="en-US">American Depository Shares [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_EquivalentClassAOrdinaryShareForADSMember" xlink:label="loc_msc_EquivalentClassAOrdinaryShareForADSMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_EquivalentClassAOrdinaryShareForADSMember" xml:lang="en-US">Equivalent Class A Ordinary Share For A D S [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_EquivalentClassAOrdinaryShareForADSMember" xml:lang="en-US">Equivalent Class A Ordinary Shares for ADS [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_EquivalentClassAOrdinaryShareForADSMember" xlink:to="lab_msc_EquivalentClassAOrdinaryShareForADSMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_EquivalentClassAOrdinaryShareForADSMember" xml:lang="en-US">Equivalent Class A Ordinary Shares for ADS [Member]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfIncomeTaxesTable" xlink:label="loc_msc_ScheduleOfIncomeTaxesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfIncomeTaxesTable" xml:lang="en-US">Schedule Of Income Taxes [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfIncomeTaxesTable" xml:lang="en-US">Schedule Of Income Taxes [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfIncomeTaxesTable" xlink:to="lab_msc_ScheduleOfIncomeTaxesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfIncomeTaxesTable" xml:lang="en-US">Schedule of income taxes.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxAuthorityNameAxis" xml:lang="en-US">Income Tax Authority, Name [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxAuthorityNameAxis" xml:lang="en-US">Income Tax Authority, Name [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="lab_us-gaap_IncomeTaxAuthorityNameAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxAuthorityNameDomain" xml:lang="en-US">Income Tax Authority, Name [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxAuthorityNameDomain" xml:lang="en-US">Income Tax Authority, Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="lab_us-gaap_IncomeTaxAuthorityNameDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" xlink:label="loc_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" xml:lang="en-US">Tax Authority, Hong Kong and Other Jurisdictions [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" xml:lang="en-US">Income Tax in Hong Kong and Other Jurisdictions [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" xlink:to="lab_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TaxAuthorityHongKongAndOtherJurisdictionsMember" xml:lang="en-US">Tax authority, Hong Kong and other jurisdictions.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TaxAuthorityMacauComplementaryTaxMember" xlink:label="loc_msc_TaxAuthorityMacauComplementaryTaxMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TaxAuthorityMacauComplementaryTaxMember" xml:lang="en-US">Tax Authority Macau Complementary Tax [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TaxAuthorityMacauComplementaryTaxMember" xml:lang="en-US">Macau Complementary Tax [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TaxAuthorityMacauComplementaryTaxMember" xlink:to="lab_msc_TaxAuthorityMacauComplementaryTaxMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TaxAuthorityMacauComplementaryTaxMember" xml:lang="en-US">Tax authority Macau complementary tax.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ScheduleOfIncomeTaxesLineItems" xlink:label="loc_msc_ScheduleOfIncomeTaxesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ScheduleOfIncomeTaxesLineItems" xml:lang="en-US">Schedule Of Income Taxes [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ScheduleOfIncomeTaxesLineItems" xml:lang="en-US">Schedule Of Income Taxes [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ScheduleOfIncomeTaxesLineItems" xlink:to="lab_msc_ScheduleOfIncomeTaxesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ScheduleOfIncomeTaxesLineItems" xml:lang="en-US">Schedule of income taxes.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeTaxExpensesTable" xlink:label="loc_msc_IncomeTaxExpensesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeTaxExpensesTable" xml:lang="en-US">Income Tax Expenses [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncomeTaxExpensesTable" xml:lang="en-US">Income Tax Expenses [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeTaxExpensesTable" xlink:to="lab_msc_IncomeTaxExpensesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeTaxExpensesTable" xml:lang="en-US">Income tax expenses.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InlandRevenueHongKongMember" xlink:label="loc_us-gaap_InlandRevenueHongKongMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InlandRevenueHongKongMember" xml:lang="en-US">Inland Revenue, Hong Kong [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InlandRevenueHongKongMember" xml:lang="en-US">Hong Kong Profits Tax [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InlandRevenueHongKongMember" xlink:to="lab_us-gaap_InlandRevenueHongKongMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeTaxExpensesLineItems" xlink:label="loc_msc_IncomeTaxExpensesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeTaxExpensesLineItems" xml:lang="en-US">Income Tax Expenses [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncomeTaxExpensesLineItems" xml:lang="en-US">Income Tax Expenses [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeTaxExpensesLineItems" xlink:to="lab_msc_IncomeTaxExpensesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeTaxExpensesLineItems" xml:lang="en-US">Income tax expenses.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Income tax (credit) expense - deferred:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US">Income tax (credit) expense - deferred</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" xlink:label="loc_msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" xml:lang="en-US">Under Or Over Provision Of Income Taxes In Prior Years [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" xml:lang="en-US">(Over) under provision of income taxes in prior years:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" xlink:to="lab_msc_UnderOrOverProvisionOfIncomeTaxesinPriorYearsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xml:lang="en-US">(Over) under provision of income taxes in prior years</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xml:lang="en-US">Over provision in prior years</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xlink:to="lab_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Income tax expense - current:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Current Income Tax Expense (Benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense &#8211; current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Macau Complementary Tax rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Percentage of tax on estimated taxable income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xml:lang="en-US">Effect of different tax rates of subsidiaries operating in other jurisdictions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:to="lab_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" xlink:label="loc_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" xml:lang="en-US">Income Tax Reconciliation Effect Of Tax Losses That Cannot Be Carried Forward</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" xml:lang="en-US">Effect of tax losses that cannot be carried forward</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" xlink:to="lab_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeTaxReconciliationEffectOfTaxLossesThatCannotBeCarriedForward" xml:lang="en-US">Income tax reconciliation effect of tax losses that cannot be carried forward.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Income tax (credit) expense at Macau Complementary Tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xml:lang="en-US">Change in valuation allowances</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="lab_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeTaxReconciliationExpiredLoss" xlink:label="loc_msc_IncomeTaxReconciliationExpiredLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeTaxReconciliationExpiredLoss" xml:lang="en-US">Income Tax Reconciliation Expired Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_IncomeTaxReconciliationExpiredLoss" xml:lang="en-US">Expired tax losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeTaxReconciliationExpiredLoss" xlink:to="lab_msc_IncomeTaxReconciliationExpiredLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeTaxReconciliationExpiredLoss" xml:lang="en-US">Income tax reconciliation expired loss</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpense" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationNondeductibleExpense" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationNondeductibleExpense" xml:lang="en-US">Effect of expenses for which no income tax benefit is receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense" xlink:to="lab_us-gaap_IncomeTaxReconciliationNondeductibleExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xml:lang="en-US">Effect of income for which no income tax expense is payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:to="lab_us-gaap_IncomeTaxReconciliationTaxExemptIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxHolidays" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxHolidays" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxHolidays" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Holiday, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationTaxHolidays" xml:lang="en-US">Effect of profits exempted from Macau Complementary Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationTaxHolidays" xlink:to="lab_us-gaap_IncomeTaxReconciliationTaxHolidays" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TaxAuthorityMacauMember" xlink:label="loc_msc_TaxAuthorityMacauMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TaxAuthorityMacauMember" xml:lang="en-US">Tax Authority Macau [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TaxAuthorityMacauMember" xml:lang="en-US">Macau Tax [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TaxAuthorityMacauMember" xlink:to="lab_msc_TaxAuthorityMacauMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TaxAuthorityMacauMember" xml:lang="en-US">Tax authority Macau.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xml:lang="en-US">Income Statement Location [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xml:lang="en-US">Income Statement Location [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationAxis" xlink:to="lab_us-gaap_IncomeStatementLocationAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xml:lang="en-US">Income Statement Location [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xml:lang="en-US">Income Statement Location [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_us-gaap_IncomeStatementLocationDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DilutedEarningsPerClassAShareMember" xlink:label="loc_msc_DilutedEarningsPerClassAShareMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DilutedEarningsPerClassAShareMember" xml:lang="en-US">Diluted Earnings Per Class A- Share [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DilutedEarningsPerClassAShareMember" xml:lang="en-US">Diluted Earnings Per Class A Share [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DilutedEarningsPerClassAShareMember" xlink:to="lab_msc_DilutedEarningsPerClassAShareMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DilutedEarningsPerClassAShareMember" xml:lang="en-US">Diluted earnings per Class A share.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:label="loc_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xml:lang="en-US">Income Tax Holiday, Income Tax Benefits Per Share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xml:lang="en-US">Expected increase in loss per share if taxes on profits generated from income received from under the Services and Right to Use Arrangements have been paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:to="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Effective tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NetOperatingLossesAndTaxCarryForwardsExpired" xlink:label="loc_msc_NetOperatingLossesAndTaxCarryForwardsExpired" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NetOperatingLossesAndTaxCarryForwardsExpired" xml:lang="en-US">Net Operating Losses And Tax Carry Forwards Expired</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_NetOperatingLossesAndTaxCarryForwardsExpired" xml:lang="en-US">Adjusted operating tax losses carried forwards, expired</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NetOperatingLossesAndTaxCarryForwardsExpired" xlink:to="lab_msc_NetOperatingLossesAndTaxCarryForwardsExpired" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NetOperatingLossesAndTaxCarryForwardsExpired" xml:lang="en-US">Net operating losses carry forwards and tax expired in current fiscal year.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaap_OperatingLossCarryforwards" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLossCarryforwards" xml:lang="en-US">Operating Loss Carryforwards</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingLossCarryforwards" xml:lang="en-US">Adjusted operating tax losses carry forwards expiration</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLossCarryforwards" xlink:to="lab_us-gaap_OperatingLossCarryforwards" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ProvisionRelatedToTaxWithholdingForDividends" xlink:label="loc_msc_ProvisionRelatedToTaxWithholdingForDividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ProvisionRelatedToTaxWithholdingForDividends" xml:lang="en-US">Provision Related To Tax Withholding For Dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ProvisionRelatedToTaxWithholdingForDividends" xml:lang="en-US">Provision related to tax withholding for dividends</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ProvisionRelatedToTaxWithholdingForDividends" xlink:to="lab_msc_ProvisionRelatedToTaxWithholdingForDividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ProvisionRelatedToTaxWithholdingForDividends" xml:lang="en-US">Provision for dividend withholding taxes related to the undistributed earnings of foreign subsidiaries where these undistributed earnings intended to be permanently reinvested.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Valuation allowances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xml:lang="en-US">Valuation allowances</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" xlink:label="loc_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" xml:lang="en-US">Statutes Of Limitations For Tax Returns For State Jurisdictions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" xml:lang="en-US">Statute of limitation for tax return</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" xlink:to="lab_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StatutesOfLimitationsForTaxReturnsForStateJurisdictions" xml:lang="en-US">Statutes of limitations for tax returns for state jurisdictions.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" xml:lang="en-US">Income Tax Examination, Penalties and Interest Accrued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" xml:lang="en-US">Interest and penalties related to uncertain tax positions recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" xlink:to="lab_us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xml:lang="en-US">Deferred Tax Liabilities, Undistributed Foreign Earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xml:lang="en-US">Deferred income tax liability, undistributed earnings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" xlink:label="loc_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" xml:lang="en-US">Undistributed Earnings Of Foreign Subsidiaries With Tax Impact</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" xml:lang="en-US">Aggregate undistributed earnings of foreign subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" xlink:to="lab_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_UndistributedEarningsOfForeignSubsidiariesWithTaxImpact" xml:lang="en-US">The temporary difference on undistributed earnings of foreign subsidiaries where these undistributed earnings intended to be permanently reinvested.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" xlink:label="loc_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" xml:lang="en-US">Income Tax Reconciliation Tax Holidays Net Of Participation Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" xml:lang="en-US">Expected increase in net loss attributable to the parent if taxes on profits generated from income received from under the Services and Right to Use Arrangements have been paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" xlink:to="lab_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_IncomeTaxReconciliationTaxHolidaysNetOfParticipationInterest" xml:lang="en-US">Amount attributable to the parent (net of participation interest) of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a tax holiday.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PeriodForWhichComplementaryTaxExemptionApplied" xlink:label="loc_msc_PeriodForWhichComplementaryTaxExemptionApplied" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PeriodForWhichComplementaryTaxExemptionApplied" xml:lang="en-US">Period For Which Complementary Tax exemption Applied</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PeriodForWhichComplementaryTaxExemptionApplied" xml:lang="en-US">Period For Which Complementary Tax exemption Applied</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PeriodForWhichComplementaryTaxExemptionApplied" xlink:to="lab_msc_PeriodForWhichComplementaryTaxExemptionApplied" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PeriodForWhichComplementaryTaxExemptionApplied" xml:lang="en-US">Period for which complementary tax exemption applied.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="loc_us-gaap_TaxPeriodAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TaxPeriodAxis" xml:lang="en-US">Tax Period [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_TaxPeriodAxis" xml:lang="en-US">Tax Period [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxPeriodAxis" xlink:to="lab_us-gaap_TaxPeriodAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TaxPeriodDomain" xml:lang="en-US">Tax Period [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_TaxPeriodDomain" xml:lang="en-US">Tax Period [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxPeriodDomain" xlink:to="lab_us-gaap_TaxPeriodDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" xlink:label="loc_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" xml:lang="en-US">Operating Tax Loss Carry Forwards Expiring Two Thousand Twenty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" xml:lang="en-US">Operating Tax Loss Carry Forwards Expiring 2022 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" xlink:to="lab_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OperatingTaxLossCarryForwardsExpiringTwoThousandTwentyTwoMember" xml:lang="en-US">Operating tax loss carry forwards expiring 2022.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" xlink:label="loc_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" xml:lang="en-US">Operating Tax Loss Carry Forwards Expiring Two Thousand Twenty Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" xml:lang="en-US">Operating Tax Loss Carry Forwards Expiring 2023 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" xlink:to="lab_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OperatingTaxLosscarryforwardsExpiringtwoThousandTwentyThreeMember" xml:lang="en-US">Operating tax loss carry forwards expiring 2023.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" xlink:label="loc_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" xml:lang="en-US">Operating Tax Loss CarryForwards Expiring Two Thousand Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" xml:lang="en-US">Operating Tax Loss Carry Forwards Expiring 2024 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" xlink:to="lab_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OperatingTaxLossCarryforwardsExpiringTwoThousandTwentyFourMember" xml:lang="en-US">Operating Tax Loss CarryForwards Expiring Two Thousand Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="loc_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US">Components of Deferred Tax Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US">Deferred tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="lab_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xml:lang="en-US">Deferred Tax Assets, Operating Loss Carryforwards</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xml:lang="en-US">Net operating losses carried forward</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DeferredTaxAssetLeaseLiability" xlink:label="loc_msc_DeferredTaxAssetLeaseLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DeferredTaxAssetLeaseLiability" xml:lang="en-US">Deferred Tax Asset Lease Liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DeferredTaxAssetLeaseLiability" xml:lang="en-US">Lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DeferredTaxAssetLeaseLiability" xlink:to="lab_msc_DeferredTaxAssetLeaseLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DeferredTaxAssetLeaseLiability" xml:lang="en-US">Deferred tax asset lease liability.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsOther" xml:lang="en-US">Deferred Tax Assets, Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsOther" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsOther" xlink:to="lab_us-gaap_DeferredTaxAssetsOther" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US">Deferred Tax Assets, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US">Sub-total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsGross" xlink:to="lab_us-gaap_DeferredTaxAssetsGross" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsNet" xml:lang="en-US">Deferred Tax Assets, Net of Valuation Allowance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsNet" xml:lang="en-US">Total deferred tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsNet" xlink:to="lab_us-gaap_DeferredTaxAssetsNet" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DeferredTaxAssetsDepreciationAndAmortization" xlink:label="loc_msc_DeferredTaxAssetsDepreciationAndAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DeferredTaxAssetsDepreciationAndAmortization" xml:lang="en-US">Deferred Tax Assets, Depreciation and Amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DeferredTaxAssetsDepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DeferredTaxAssetsDepreciationAndAmortization" xlink:to="lab_msc_DeferredTaxAssetsDepreciationAndAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DeferredTaxAssetsDepreciationAndAmortization" xml:lang="en-US">Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment, and intangibles.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="loc_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xml:lang="en-US">Components of Deferred Tax Liabilities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xml:lang="en-US">Deferred tax liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="lab_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" xlink:label="loc_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" xml:lang="en-US">Deferred Tax Liabilities Unrealized Capital Allowances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" xml:lang="en-US">Unrealized capital allowances</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" xlink:to="lab_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DeferredTaxLiabilitiesUnrealizedCapitalAllowances" xml:lang="en-US">Amount of deferred tax liability attributable to taxable temporary differences from unrealized capital allowances.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xml:lang="en-US">Deferred Tax Liabilities, Leasing Arrangements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xml:lang="en-US">Right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities" xml:lang="en-US">Deferred Tax Liabilities, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities" xml:lang="en-US">Total deferred tax liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xml:lang="en-US">Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="lab_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xml:lang="en-US">Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Share-based Payment Arrangement, Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Share-based compensation expenses recognized in General and administrative expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xml:lang="en-US">Share-based Payment Arrangement, Amount Capitalized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xml:lang="en-US">Less: share-based compensation expenses capitalized in construction in progress</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xml:lang="en-US">Share-based Payment Arrangement, Expensed and Capitalized, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xml:lang="en-US">Share-based compensation expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedContributionPlanIncreaseDecreaseCost" xlink:label="loc_us-gaap_DefinedContributionPlanIncreaseDecreaseCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DefinedContributionPlanIncreaseDecreaseCost" xml:lang="en-US">Defined Contribution Plan, Increase (Decrease), Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DefinedContributionPlanIncreaseDecreaseCost" xml:lang="en-US">Amount of employer contributions into the defined contribution retirement benefits schemes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedContributionPlanIncreaseDecreaseCost" xlink:to="lab_us-gaap_DefinedContributionPlanIncreaseDecreaseCost" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DistributionOfProfitsAbstract" xlink:label="loc_msc_DistributionOfProfitsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DistributionOfProfitsAbstract" xml:lang="en-US">Distribution Of Profits [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DistributionOfProfitsAbstract" xlink:to="lab_msc_DistributionOfProfitsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DistributionOfProfitsAbstract" xml:lang="en-US">Distribution Of Profits [Abstract]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Dividends" xlink:label="loc_us-gaap_Dividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Dividends" xml:lang="en-US">Dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_Dividends" xml:lang="en-US">Dividends declared</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Dividends" xlink:to="lab_us-gaap_Dividends" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DividendsProposed" xlink:label="loc_msc_DividendsProposed" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DividendsProposed" xml:lang="en-US">Dividends Proposed</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DividendsProposed" xml:lang="en-US">Dividends proposed</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DividendsProposed" xlink:to="lab_msc_DividendsProposed" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DividendsProposed" xml:lang="en-US">Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends proposed, for example, but not limited to, common and preferred stock.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_BalanceOfLegalReserve" xlink:label="loc_msc_BalanceOfLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_BalanceOfLegalReserve" xml:lang="en-US">Balance Of Legal Reserve</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_BalanceOfLegalReserve" xml:lang="en-US">Aggregate balance of legal reserves</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_BalanceOfLegalReserve" xlink:to="lab_msc_BalanceOfLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_BalanceOfLegalReserve" xml:lang="en-US">Balance of legal reserve.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" xlink:label="loc_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Percentage of share capital as the limit of allocation of profit after tax to legal reserve</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Percentage of share capital as the limit of allocation of profit after tax to legal reserve</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" xlink:to="lab_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PercentageOfShareCapitalAsTheLimitOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Percentage of share capital as the limit for the appropriation of profit after tax for to legal reserve in accordance with the provisions of the Macau Commercial Code.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsOfDividends" xml:lang="en-US">Payments of Dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PaymentsOfDividends" xml:lang="en-US">Dividends paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividends" xlink:to="lab_us-gaap_PaymentsOfDividends" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" xlink:label="loc_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Minimum percentage of allocation of profit after tax to legal reserve</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Allocation of profit after tax to legal reserve, minimum percentage</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" xlink:to="lab_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_MinimumPercentageOfAllocationOfProfitAfterTaxToLegalReserve" xml:lang="en-US">Minimum percentage of profit after tax for appropriation to legal reserve in accordance with the provisions of the Macau Commercial Code until the reserve balance reaches a specified percentage of share capital.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CommitmentsAndContingenciesTable" xlink:label="loc_msc_CommitmentsAndContingenciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CommitmentsAndContingenciesTable" xlink:to="lab_msc_CommitmentsAndContingenciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and contingencies.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CommitmentsAndContingenciesLineItems" xlink:label="loc_msc_CommitmentsAndContingenciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CommitmentsAndContingenciesLineItems" xlink:to="lab_msc_CommitmentsAndContingenciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and contingencies.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_AmountEnteredWithBankToMeetCertainPaymentObligations" xlink:label="loc_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" xml:lang="en-US">Amount Entered With Bank To Meet Certain Payment Obligations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" xml:lang="en-US">Amount entered with a bank to meet certain payment obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" xlink:to="lab_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_AmountEnteredWithBankToMeetCertainPaymentObligations" xml:lang="en-US">Amount entered with a bank to meet certain payment obligations.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CapitalCommitmentsRelatingToPropertyAndEquipment" xlink:label="loc_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" xml:lang="en-US">Capital Commitments Relating To Property And Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" xml:lang="en-US">Capital commitments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" xlink:to="lab_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CapitalCommitmentsRelatingToPropertyAndEquipment" xml:lang="en-US">Capital commitments relating to construction and acquisition of property and equipment.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Line of Credit Facility, Expiration Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Credit facility, maturity date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="lab_us-gaap_LineOfCreditFacilityExpirationDate1" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LineOfCreditFacilityUtilized" xlink:label="loc_msc_LineOfCreditFacilityUtilized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LineOfCreditFacilityUtilized" xml:lang="en-US">Line of Credit Facility, Utilized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LineOfCreditFacilityUtilized" xml:lang="en-US">Credit facility utilized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LineOfCreditFacilityUtilized" xlink:to="lab_msc_LineOfCreditFacilityUtilized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LineOfCreditFacilityUtilized" xml:lang="en-US">Line of credit facility, utilized.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExtendedMaturityMember" xlink:label="loc_us-gaap_ExtendedMaturityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ExtendedMaturityMember" xml:lang="en-US">Extended Maturity [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ExtendedMaturityMember" xml:lang="en-US">Extended Maturity [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtendedMaturityMember" xlink:to="lab_us-gaap_ExtendedMaturityMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TradeCreditFacilityMember" xlink:label="loc_msc_TradeCreditFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TradeCreditFacilityMember" xml:lang="en-US">Trade Credit Facility [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TradeCreditFacilityMember" xml:lang="en-US">Trade Credit Facility [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TradeCreditFacilityMember" xlink:to="lab_msc_TradeCreditFacilityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TradeCreditFacilityMember" xml:lang="en-US">Trade credit facility.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseContractualTermAxis" xlink:label="loc_us-gaap_LeaseContractualTermAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseContractualTermAxis" xml:lang="en-US">Lease Contractual Term [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseContractualTermAxis" xlink:to="lab_us-gaap_LeaseContractualTermAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseContractualTermDomain" xlink:label="loc_us-gaap_LeaseContractualTermDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseContractualTermDomain" xml:lang="en-US">Lease Contractual Term [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseContractualTermDomain" xlink:to="lab_us-gaap_LeaseContractualTermDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OtherServicesMember" xlink:label="loc_msc_OtherServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OtherServicesMember" xml:lang="en-US">Other Services [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OtherServicesMember" xml:lang="en-US">Other Services [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OtherServicesMember" xlink:to="lab_msc_OtherServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OtherServicesMember" xml:lang="en-US">Other services.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RoomsFoodAndBeverageMember" xlink:label="loc_msc_RoomsFoodAndBeverageMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RoomsFoodAndBeverageMember" xml:lang="en-US">Rooms Food and Beverage [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_RoomsFoodAndBeverageMember" xml:lang="en-US">Rooms Food and Beverage [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RoomsFoodAndBeverageMember" xlink:to="lab_msc_RoomsFoodAndBeverageMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RoomsFoodAndBeverageMember" xml:lang="en-US">Rooms Food and Beverage.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StaffCostsRechargesMember" xlink:label="loc_msc_StaffCostsRechargesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StaffCostsRechargesMember" xml:lang="en-US">Staff Costs Recharges [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_StaffCostsRechargesMember" xml:lang="en-US">Staff Costs Recharges [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StaffCostsRechargesMember" xlink:to="lab_msc_StaffCostsRechargesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StaffCostsRechargesMember" xml:lang="en-US">Staff Costs Recharges.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PurchaseOfGoodsAndServicesMember" xlink:label="loc_msc_PurchaseOfGoodsAndServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PurchaseOfGoodsAndServicesMember" xml:lang="en-US">Purchase of Goods and Services [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PurchaseOfGoodsAndServicesMember" xml:lang="en-US">Purchase of Goods and Services [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PurchaseOfGoodsAndServicesMember" xlink:to="lab_msc_PurchaseOfGoodsAndServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PurchaseOfGoodsAndServicesMember" xml:lang="en-US">Purchase of goods and services.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ConsultancyFeeExpenseMember" xlink:label="loc_msc_ConsultancyFeeExpenseMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ConsultancyFeeExpenseMember" xml:lang="en-US">Consultancy Fee Expense [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ConsultancyFeeExpenseMember" xml:lang="en-US">Consultancy Fee Expense [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ConsultancyFeeExpenseMember" xlink:to="lab_msc_ConsultancyFeeExpenseMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ConsultancyFeeExpenseMember" xml:lang="en-US">Consultancy fee expense.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CorporateServicesMember" xlink:label="loc_msc_CorporateServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CorporateServicesMember" xml:lang="en-US">Corporate Services [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CorporateServicesMember" xml:lang="en-US">Corporate Services [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CorporateServicesMember" xlink:to="lab_msc_CorporateServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CorporateServicesMember" xml:lang="en-US">Corporate services.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" xlink:label="loc_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" xml:lang="en-US">Staff Costs For Construction And Renovation Work Capitalized [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" xml:lang="en-US">Staff costs for construction and renovation work capitalized [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" xlink:to="lab_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StaffCostsForConstructionAndRenovationWorkCapitalizedMember" xml:lang="en-US">Staff Costs For Construction And Renovation Work Capitalized [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_dei_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_dei_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_MelcoAndItsSubsidiariesMember" xlink:label="loc_msc_MelcoAndItsSubsidiariesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_MelcoAndItsSubsidiariesMember" xml:lang="en-US">Melco and its Subsidiaries [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_MelcoAndItsSubsidiariesMember" xml:lang="en-US">Melco and its Subsidiaries [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_MelcoAndItsSubsidiariesMember" xlink:to="lab_msc_MelcoAndItsSubsidiariesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_MelcoAndItsSubsidiariesMember" xml:lang="en-US">Melco and its subsidiaries.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" xlink:label="loc_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" xml:lang="en-US">Joint Venture and Subsidiary of MECOM Power and Construction Limited [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" xml:lang="en-US">Joint Venture and Subsidiary of MECOM Power and Construction Limited [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" xlink:to="lab_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_JointVentureAndSubsidiaryOfMecomPowerAndConstructionLimitedMember" xml:lang="en-US">Joint Venture and Subsidiary of MECOM Power and Construction Limited [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xml:lang="en-US">Related Party Transaction [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xml:lang="en-US">Related Party Transaction [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_SaleAndPurchaseOfAssetsAbstract" xlink:label="loc_msc_SaleAndPurchaseOfAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_SaleAndPurchaseOfAssetsAbstract" xml:lang="en-US">Sale and Purchase of Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_SaleAndPurchaseOfAssetsAbstract" xml:lang="en-US">Sale and purchase of assets:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_SaleAndPurchaseOfAssetsAbstract" xlink:to="lab_msc_SaleAndPurchaseOfAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_SaleAndPurchaseOfAssetsAbstract" xml:lang="en-US">Sale and purchase of assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FinitelivedIntangibleAssetsAcquired1" xml:lang="en-US">Finite-lived Intangible Assets Acquired</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_FinitelivedIntangibleAssetsAcquired1" xml:lang="en-US">Purchases of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:to="lab_us-gaap_FinitelivedIntangibleAssetsAcquired1" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAdditions" xml:lang="en-US">Property, Plant and Equipment, Additions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAdditions" xml:lang="en-US">Purchase of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAdditions" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAdditions" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisposals" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisposals" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisposals" xml:lang="en-US">Property, Plant and Equipment, Disposals</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisposals" xml:lang="en-US">Sale of property and equipment and other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisposals" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisposals" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" xml:lang="en-US">Property, Plant and Equipment, Transfers and Changes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" xml:lang="en-US">Transfer-in of other long-term assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTransfersAndChanges" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xml:lang="en-US">Cost of Goods and Services Sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xml:lang="en-US">Costs and expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember" xlink:label="loc_srt_AffiliatedEntityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_AffiliatedEntityMember" xml:lang="en-US">Affiliated Entity [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_AffiliatedEntityMember" xml:lang="en-US">Transactions with affiliated companies [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_AffiliatedEntityMember" xlink:to="lab_srt_AffiliatedEntityMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_MecomPowerAndConstructionLimitedMember" xlink:label="loc_msc_MecomPowerAndConstructionLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_MecomPowerAndConstructionLimitedMember" xml:lang="en-US">MECOM Power And Construction Limited [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_MecomPowerAndConstructionLimitedMember" xml:lang="en-US">MECOM Power And Construction Limited [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_MecomPowerAndConstructionLimitedMember" xlink:to="lab_msc_MecomPowerAndConstructionLimitedMember" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LawrenceYauLungHoMember" xlink:label="loc_msc_LawrenceYauLungHoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LawrenceYauLungHoMember" xml:lang="en-US">Lawrence Yau Lung Ho [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LawrenceYauLungHoMember" xlink:to="lab_msc_LawrenceYauLungHoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_LawrenceYauLungHoMember" xml:lang="en-US">Lawrence Yau Lung Ho</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NonStudioCityCasinosGamingPatronsMember" xlink:label="loc_msc_NonStudioCityCasinosGamingPatronsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NonStudioCityCasinosGamingPatronsMember" xml:lang="en-US">Non Studio City Casinos Gaming Patrons [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_NonStudioCityCasinosGamingPatronsMember" xml:lang="en-US">Non Studio City Casinos Gaming Patrons [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NonStudioCityCasinosGamingPatronsMember" xlink:to="lab_msc_NonStudioCityCasinosGamingPatronsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NonStudioCityCasinosGamingPatronsMember" xml:lang="en-US">Non studio city casinos gaming patrons.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_StudioCityCasinosGamingPatronsMember" xlink:label="loc_msc_StudioCityCasinosGamingPatronsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_StudioCityCasinosGamingPatronsMember" xml:lang="en-US">Studio City Casinos Gaming Patrons [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_StudioCityCasinosGamingPatronsMember" xml:lang="en-US">Studio City Casinos Gaming Patrons [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_StudioCityCasinosGamingPatronsMember" xlink:to="lab_msc_StudioCityCasinosGamingPatronsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_StudioCityCasinosGamingPatronsMember" xml:lang="en-US">Studio city casinos gaming patrons.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" xlink:label="loc_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" xml:lang="en-US">Rooms Food and Beverage and Entertainment Revenues [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" xml:lang="en-US">Rooms Food and Beverage and Entertainment Revenues [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" xlink:to="lab_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_RoomsFoodAndBeverageAndEntertainmentRevenuesMember" xml:lang="en-US">Rooms food and beverage and entertainment revenues.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ShareholdingInCompany" xlink:label="loc_msc_ShareholdingInCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ShareholdingInCompany" xml:lang="en-US">Shareholding in Company</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ShareholdingInCompany" xml:lang="en-US">Share percentage holding by Director</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ShareholdingInCompany" xlink:to="lab_msc_ShareholdingInCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ShareholdingInCompany" xml:lang="en-US">Shareholding percentage in a company.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_LawrenceYauLungHoAndHisControlledEntityMember" xlink:label="loc_msc_LawrenceYauLungHoAndHisControlledEntityMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_LawrenceYauLungHoAndHisControlledEntityMember" xml:lang="en-US">Lawrence Yau Lung Ho And His Controlled Entity [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_LawrenceYauLungHoAndHisControlledEntityMember" xml:lang="en-US">Lawrence Yau Lung Ho and his controlled entity [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_LawrenceYauLungHoAndHisControlledEntityMember" xlink:to="lab_msc_LawrenceYauLungHoAndHisControlledEntityMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="loc_us-gaap_InterestExpenseRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestExpenseRelatedParty" xml:lang="en-US">Interest Expense, Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InterestExpenseRelatedParty" xml:lang="en-US">Total interest expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseRelatedParty" xlink:to="lab_us-gaap_InterestExpenseRelatedParty" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventTable" xml:lang="en-US">Subsequent Event [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventTable" xml:lang="en-US">Subsequent Event [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTable" xlink:to="lab_us-gaap_SubsequentEventTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventMember" xml:lang="en-US">Subsequent Event [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventMember" xml:lang="en-US">Subsequent Event [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventMember" xlink:to="lab_us-gaap_SubsequentEventMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventLineItems" xml:lang="en-US">Subsequent Event [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SubsequentEventLineItems" xml:lang="en-US">Subsequent Events [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventLineItems" xlink:to="lab_us-gaap_SubsequentEventLineItems" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" xlink:label="loc_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" xml:lang="en-US">Two Thousand And Twenty Two Private Placements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" xml:lang="en-US">Thousand And Twenty Two Private Placements [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" xlink:to="lab_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_TwoThousandAndTwentyTwoPrivatePlacementsMember" xml:lang="en-US">Two Thousand And Twenty Two Private Placements [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_srt_ScheduleOfCondensedFinancialStatementsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTable" xml:lang="en-US">Condensed Financial Statements [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTable" xml:lang="en-US">Condensed Financial Statements [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfCondensedFinancialStatementsTable" xlink:to="lab_srt_ScheduleOfCondensedFinancialStatementsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedFinancialStatementsCaptionsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_CondensedFinancialStatementsCaptionsLineItems" xml:lang="en-US">Condensed Financial Statements, Captions [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_CondensedFinancialStatementsCaptionsLineItems" xml:lang="en-US">Condensed Financial Statements, Captions [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CondensedFinancialStatementsCaptionsLineItems" xlink:to="lab_srt_CondensedFinancialStatementsCaptionsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Liabilities and Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Total liabilities and shareholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_DueToSubsidiariesCurrent" xlink:label="loc_msc_DueToSubsidiariesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_DueToSubsidiariesCurrent" xml:lang="en-US">Due To Subsidiaries Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_DueToSubsidiariesCurrent" xml:lang="en-US">Amounts due to subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_DueToSubsidiariesCurrent" xlink:to="lab_msc_DueToSubsidiariesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_DueToSubsidiariesCurrent" xml:lang="en-US">Due To Subsidiaries Current</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments in subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_ShareOfResultsOfSubsidiaries" xlink:label="loc_msc_ShareOfResultsOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_ShareOfResultsOfSubsidiaries" xml:lang="en-US">Share of Results of Subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_ShareOfResultsOfSubsidiaries" xml:lang="en-US">Share of results of subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_ShareOfResultsOfSubsidiaries" xlink:to="lab_msc_ShareOfResultsOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_ShareOfResultsOfSubsidiaries" xml:lang="en-US">Share of results of subsidiaries.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">(Loss) income before income tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xml:lang="en-US">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xml:lang="en-US">Foreign currency translation adjustments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:to="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US">Total comprehensive (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax" />
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_NetChangeInAdvancesToSubsidiaries" xlink:label="loc_msc_NetChangeInAdvancesToSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_NetChangeInAdvancesToSubsidiaries" xml:lang="en-US">Net Change In Advances To Subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_msc_NetChangeInAdvancesToSubsidiaries" xml:lang="en-US">Advances to subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_NetChangeInAdvancesToSubsidiaries" xlink:to="lab_msc_NetChangeInAdvancesToSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_NetChangeInAdvancesToSubsidiaries" xml:lang="en-US">Net change in advances to subsidiaries.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" xlink:label="loc_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" xml:lang="en-US">Organizational Transactions and Participation Agreements [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" xml:lang="en-US">Organizational Transactions and Participation Agreements [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" xlink:to="lab_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_OrganizationalTransactionsAndParticipationAgreementsLineItems" xml:lang="en-US">Organizational Transactions and Participation Agreements [Line Items]</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" xlink:label="loc_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" xml:lang="en-US">Percentage threshold of restricted net assets of consolidated and unconsolidated subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" xml:lang="en-US">Percentage threshold of restricted net assets of consolidated and unconsolidated subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" xlink:to="lab_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_PercentageThresholdOfRestrictedNetAssetsOfConsolidatedAndUnconsolidatedSubsidiaries" xml:lang="en-US">Percentage threshold of restricted net assets of consolidated and unconsolidated subsidiaries.</label>
<loc xlink:type="locator" xlink:href="msc-20211231.xsd#msc_CashDividendsReceivedFromSubsidiaries" xlink:label="loc_msc_CashDividendsReceivedFromSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_msc_CashDividendsReceivedFromSubsidiaries" xml:lang="en-US">Cash Dividends Received From Subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_msc_CashDividendsReceivedFromSubsidiaries" xml:lang="en-US">Cash dividend received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_msc_CashDividendsReceivedFromSubsidiaries" xlink:to="lab_msc_CashDividendsReceivedFromSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_msc_CashDividendsReceivedFromSubsidiaries" xml:lang="en-US">Cash dividends received from subsidiaries.</label>
</labelLink>
</linkbase>
