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Lavensen

Lavensen

Lavensen

Lavensen

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Sadness "is a very functional emotion , " Levenson says .

悲伤「是非常实用的情绪」，Lavensen 说。

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And it's plausible that overall, a person can be very happy and at the same time have a strong sadness response , Levenson says.

而 Lavensen 认为，一个人在非常快乐的同时也可能会有强烈的悲伤反应。

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