And so it's usually the case that you can get a higher return if you're willing to take more risk.

同样很常见的例子是,所以如果你愿意冒高风险,你可能就会有高回报。

麻省理工公开课 - 计算机科学及编程导论课程节选

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 you're implementing this black box, and if its purpose in life is to actually return a value, you have to tell the compiler what kind of value to expect, and this is going to have ripple effects.

你在实现这个黑盒子，如果它的目的是,返回一个值，你必须告诉编译器你期望的是什么类型的值，这个将是一个连锁反应。

哈佛公开课 - 计算机科学课程节选

there that we want to highlight. In particular, -- notice-- let me highlight it for you, if I can find it with the wrong glasses on-- we've got these return commands.

这里还有一些我们要引起注意的变化，特别是注意这个，让我给你们强调一下-,看看我能不能戴着这副度数不对的眼镜。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then if you fast forward to 2005 and look at the average return that was posted for 2000,it was +1.2%.

如果把时间快进至2005,5年后公报的2000年平均收益,变成了1.2%

耶鲁公开课 - 金融市场课程节选

And if it returns a value, you've got to do something with that return value too, much like we did up here.

如果它返回了一个值，你便用那个返回值,做一些事情，就像我们刚在上面做的。

哈佛公开课 - 计算机科学课程节选

If we add one to the return, then you've got a number that's never negative and we can then use geometric returns.

然后加上1,你永远也得不到一个负数,然后我们对这个值求几何平均

耶鲁公开课 - 金融市场课程节选

If you looked at the domestic equity return -the average return that was posted in 2000--it was -3.1%.

看看国内证券的收益,2000年公报的平均收益率是负3.1%

耶鲁公开课 - 金融市场课程节选

I mean, do you really--you might wonder, aren't people missing something if the excess return is so high of stocks over short-term bonds?

我是指，你们真的。。。你们也会怀疑，这里是不是少了点什么,如果股票收益率高出短期债券收益率那么多？

耶鲁公开课 - 金融市场课程节选

And if you've never used those, they're usually above your Return key.

如果你从来没用过这些竖线，它们在,回车键的上面。

哈佛公开课 - 计算机科学课程节选

This would be good luck if you were long and now suddenly you got a huge return that you would not have thought was possible since you've never seen it before.

如果你长期持有这份投资,你就走运了,回报如此之高,你自己都没有料到,可能你也从来没有见过这种情况

耶鲁公开课 - 金融市场课程节选

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

If you look at the ten best-performing Internet funds from 1997 to 2002, the time-weighted return is 1.5% per year positive, so the funds went way up and then they went way down.

这十个表现最好的网络投资基金,从1997年到2002年,时间加权回报率是每年1.5%,基金一路涨涨跌跌

耶鲁公开课 - 金融市场课程节选