He was called a hero for taking this kind of personal action to support the farm workers.

VOA: special.2009.09.06

I call this the broaden-and-build theory of positive emotions because positive emotions appear to broaden people's momentary thought action repertoire and build the enduring personal resources.

我称其为积极情绪的扩建理论,因为积极情绪似乎能扩展人们的瞬间想法,和动作指令库并建立持久的个人资源。

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