Society is divided into upper, middle and lower classes.

社会分为上层、中层和下层阶级。

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Society is divided into upper, middle and lower classes.

社会分为上层，中层和下层阶级。

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Society can be divided into upper, middle and lower classes.

社会大致可以分为上中下三个不同的阶层。

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Easy money policies are turning into hard times for the middle and lower classes.

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The middle and lower classes went deeply into debt to buy things.

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Taxing issues would be harsh enough in the middle- and lower-income classes without the threat of real migration by those who seek to keep their tax burdens low.

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