And one thing that seems intrinsically bad, one thing that seems to reduce the value of a life, is pain.

有一样东西看似本身就是坏的，它似乎在减少生命的价值，是痛苦。

耶鲁公开课 - 死亡课程节选

That's a very specific health claim that that company is making, that eating Honey Nut Cheerios will allow you to reduce your cholesterol.

这是一个很特别的健康宣示,那家公司所生产的,吃坚果甜麦片 会让你降低胆固醇

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The purpose of sex is to reduce excitation, to annul desire.

性的目的在于将刺激减少的普通欲望的程度。

耶鲁公开课 - 文学理论导论课程节选

There's a very important principle that finally comes out here, it is that you always want to reduce the variance of your portfolio as much as you can.

现在这里有一个非常重要的原则，即你总是想要降低你投资组合的方差,降得越低越好。

耶鲁公开课 - 金融市场课程节选

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选