One day, he dreamt of himself becoming a butterfly.

一天，他梦见自己变成了一只蝴蝶。

youdao

Besides the household "ZhuangZhou's Dreaming of Becoming a Butterfly", there are many old tales about dreams in China.

除了家喻户晓的“庄周梦蝶”，关于梦的古老传说，中国有很多。

youdao

In some ways, depression can be compared to a caterpillar becoming a butterfly. You once lived life as a caterpillar and everything was fine.

从某些方面看，抑郁可以比作正在化蝶的蛹：曾经你是一只蛹而且一切安然无事。

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"It's like a butterfly going back into the cocoon and becoming a caterpillar again, " he said.

WSJ: Economics, Sliced