Then we go negative and we go through zero again, which correlates to the second area of zero, that shows up also in our probability density plot, and then we're positive again 0 and approach zero as we go to infinity for r.

并且再次经过,这和，第二块等于0的区域相关联,这也在,我们的概率密度图里反映出来了，然后它又成了正的,并且当r趋于无穷时它趋于。

麻省理工公开课 - 化学原理课程节选

This is a research by one of the leading researchers, one of the first researches in the area of positive emotions, Alice Isen And she showed, time and again, how feeling good is good for us and good for others, and it works the other way as well.

一位重要的研究者，积极情绪领域的首批研究者之一，进行了这个研究，Alice，Isen。,她反复证明，感觉好如何对我们和他人都有益，反之亦然。

哈佛公开课 - 幸福课课程节选