If you're comparing two portfolios with the same expected return, then you want the one with the lower variance.

比较两个有相同预期收益率的投资组合时，你会选择方差小的那一个。

耶鲁公开课 - 金融市场课程节选

So there's, on campus at least, there's definitely that option. I also...

所以，至少在校园里，那是一个选择。我还……

在研究所工作 - SpeakingMax英语口语达人

So you might have chosen a different sentence or whatnot, but that's fine.

所以你们可能选择了一个不同的语句,或其它的东西，但是那挺好的。

哈佛公开课 - 计算机科学课程节选

One offer of one more idea which is to take a figure who we all know about, but who we view as, maybe a civil rights hero or an African-American hero, or a Christian hero, or an American hero and turn into a global interfaith hero.

再给大家提供一个重要观点,那就是选择一位众所周知的人物，但是我们可能将他视作民权运动英雄,或是非裔美国人英雄，或是基督教英雄，或是美国英雄,然后转变为一位全球跨信仰英雄。

普林斯顿公开课 - 人性课程节选

But ultimately, everyone agrees I-- that's the premise here, that for the-- if you're comparing two portfolios with the same variance, then you want the one with the higher expected return.

但归根结底大家都会同意这一点-,这是一个前提-,当你比较两个有相同方差的投资组合时，你会选择预期收益率高的那一个。

耶鲁公开课 - 金融市场课程节选

I have the freedom to pass that person because I like the trend. Suppose I have somebody else who came here with two years of chemistry in high school, got a 95 on the first test, 70 on the second test, failed the third test, failed the final, has an aggregate score of 48.

我能够选择让那人通过,因为我喜欢他的进步，假设另一个同学,学了2年的化学在高中,第一次测试得到95分，第二次70分，第三次没通过，期末考也没通过。

麻省理工公开课 - 固态化学导论课程节选

Our first review section will be in the week of January--with your teaching fellows-- will be in the week of January twenty-eighth and we're going to have to ask you to sign up with one of the teaching fellows.

我们的第一次复习课,将在一月。。。和助教一起-,将在1月28日所在的那周,我们会叫你们，选择和一个助教合作。

耶鲁公开课 - 金融市场课程节选