From then on, the ancient Chinese social class structure began to change from hierarchy standard to wealth standard.

由此，中国古代社会的阶层结构出现转型，由身份等级制向以财富为标准的贫富转化。

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In American society, however, the class structure was less rigid; some people changed occupations easily and believed it was their duty to improve their social and economic position.

然而，在美国社会，阶级结构没有那么严格；有些人很轻易地就改变了职业，并认为提高他们的社会和经济地位是他们自己的责任。

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"Add to the mix," the Time story continues, "a class structure that impedes social mobility and an education system that rewards the advantaged, and some children are bound to be left in the cold."

上面的寓言故事也曾提到：“加入混乱，阻碍社会流动性的班级阶层结构和只注重杰出者的教育系统必将使得一些孩子受冷遇。”

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In the 1960s and 1970s people paid a lot more attention to social structure and class analysis.

一九六零至一九七零年间人们非常关注,社会结构和阶级分析

耶鲁公开课 - 欧洲文明课程节选

Yes, a social media currency combined with a social class structure.

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For the class warriors of the left, fox-hunting is wrong because the structure of the hunt reflects ossified social hierarchies.

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