As a symbol of social stratification, cultural taste highlights the identity of the class.
文化趣味作为社会分层的一种象征，突显这一阶层的身份认同。
Social value of the aged has the character with practicalness and stratification.
老年人的社会价值具有实践性和层次性的特征。
Objective To study the health equality in difference social stratification.
目的：研究不同社会阶层之间的健康公平性。
Objective To study the health equality in difference social stratification.
目的：研究不同社会阶层之间的健康公平性。
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