《庄子·大宗师》中说，鱼困在缺水的地方「相濡以沫」，即用唾沫相互湿润身体。后用以比喻在困境中相互救助。

来源: uptrend 于 2024-01-05 13:20:12 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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