- 问题详情:Facialexpressionscarrymeaningthatisdeterminedbysituationsandrelationships.Forexample,inAmericanculturethesmileisingeneralanexpressionofpleasure.Yetitalsohasotheruses.Awoman’ssmileatapoliceofficerdoesnotcarrythesamemeaningasthesmileshegivesto...
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