uc浏览器如何改头像（uc浏览器极速版）

 What oxygen is to the lungs, such is hope to the meaning of life. 希望对于生活的意义，就像氧气对肺那样那样的重要。

 Happiness doesn't depend on any external conditions, it is governed by our mental attitude.幸福不是取决于外界环境，它由我们的心态来决定。

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 A day without sunshine is like night. 没有阳光的白日如同黑夜。