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令人高兴的是一个非常必要的一个具有艺术，但很难被收购。
The art of pleasing is a very necessary one to possess; but a very difficult one to acquire.
youdao
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令人高兴的是一个非常必要的一个具有艺术，但很难被收购。
The art of pleasing is a very necessary one to possess; but a very difficult one to acquire.
youdao