骆驼非洲
社会阶层"(1)Social stratification(2) Social strata(3)Social hierarchy(1) social class
私人发艺工匠
社会分层 Social stratification; Stratification; [例句]此章主要分析了社会分层研究中的两个重要概念&阶级和阶层。The chapter analysed two important concepts of the study of social stratification, class and stratum.