All right? I mean, I can make money at Harvard Square doing this stuff, right?

对不对？【鼓掌】我意思是，我可以在哈佛广场,靠做这个赚钱对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选