just like sport excecise, long term persistance is the only way to succeed, unless you are natually talent up,up,up

如题.

2017-02-09 提问者:Jackchen0717

教师解答

尚未回答。

学生讨论

snowing11:

不

2017-02-09

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sunisz:

事实上

2017-02-09

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sunisz:

e?e

2017-02-09

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sunisz:

e

2017-02-09

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