当你快乐时，你的身体会产生大量各种让你感觉良好的脑内啡。

And when you're happy your body pumps out all kinds of feel-good endorphins.

youdao

当你快乐时，你的身体会产生大量各种让你感觉良好的脑内啡。

And when you're happy, your body pumps out all kinds of feel-good endorphins.

youdao

你需要写一些伤痛，即使当你快乐时，那也是伤痛，因为你知道，快乐是短暂的。

That's why I like epic love stories with tragic endings. You need the ache to write; even when you're happy there's an ache, because you know it won't last.

youdao

You have to be a happy person because when you're going out,

你得做个快乐的人，因为当你在外面的时候，

纽约的夜晚很开心 - SpeakingMax英语口语达人

I like it when you are laughing and smiling, and having fun.

当你大笑、微笑和开心的时候，我就很快乐。

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