people have a tendency to be unsatisfied with how much they make, no matter how much they make.

如题.

2017-05-16 提问者:hufeng2017

教师解答

尚未回答。

学生讨论

LAITIANJIN:

加油

2017-05-16

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LAITIANJIN:

加油

2017-05-16

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yytyyt0000:

A contented person is happy with what he has.

2017-05-16

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ponytailkid:

sharp but true

2017-05-16

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关小羽gg:

b?b?b

2017-05-16

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Allie-lx:

哈哈

2017-05-16

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