这个时期的阶级阶层模式是“两阶级一阶层”。

The intellectual were one group. At that time, the model of class was "two classes one stratum".

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争取这些市场中正在崛起的中产阶层客户的技巧在于不要向其兜售西方模式下的高价专利药，而将本地的仿制药公司诅咒为冒牌艺术家。

The trick to winning over the rising middle classes in such markets is not to peddle over-priced patented drugs on the Western model, cursing the local generics firms as rip-off artists.

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互助会的模式在贫困及工薪阶层中尤为普及。

Mutual aid was particularly popular among the poor and the working class.

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