Some people in this room might be hubs, and it is not impossible to find out.

这个教室里可能就人这样的人，要找出来很简单。

耶鲁公开课 - 心理学导论课程节选

And so, if I do that, this now becomes really easy.

如果我这样做的话，这个问题就会简单点儿了。

麻省理工公开课 - 计算机科学及编程导论课程节选

But let's just suppose--look, Plato argued the soul was simple.

但我们就这样假设，柏拉图提出灵魂是简单的。

耶鲁公开课 - 死亡课程节选

Yeah.So there's--it's probably simpler in that sense.

是的，这样的话就更加简单了。

耶鲁公开课 - 聆听音乐课程节选

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