Now. I want to move away from statistics and talk about present values, which is another concept in finance that is fundamental.

好的,讲到这里我将离开统计学,讨论一下现值,这是金融学中的另一个基本概念

耶鲁公开课 - 金融市场课程节选

This is another concept that is very basic to statistics, but it has particular use in finance, so I'll give you a financial example.

这是统计学中又一个基本概念,在金融学中广泛使用,那我就举一个金融领域的例子

耶鲁公开课 - 金融市场课程节选

Another concept that's important in thinking about stem cells is potential.

另一个需要重点考虑的概念,就是干细胞的潜能

耶鲁公开课 - 生物医学工程探索课程节选

So, I want to contrast that with another concept that seemed to be opposing ideas, and that is thinking about not how far away the most probable radius is, but thinking about how close an electron can get to the nucleus if it's actually in that orbital.

我要将它和另外一个,看起来相反的概念相比较，我们不是考虑,最可能半径离原子核有多远，而是考虑如果电子在那个轨道上,能多接近原子核。

麻省理工公开课 - 化学原理课程节选

For example, the teaching fellows will divide all the concept sheets in week one, and one teaching fellow will grade part of the alphabet and another will grade another part of the alphabet.

助教们在第一周将所有的论文,按字母顺序分类,一位助教评定一部分,另一位助教评定另一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I want to--another concept-- I guess I've just been implicit in what I have-- There's a distribution called the normal distribution and that is--I'm sure you've heard of this, right?

另一个概念...,刚才这些我都讲明白了吧...,有一个分布叫正态分布,大家有所耳闻吧

耶鲁公开课 - 金融市场课程节选

Another concept that's very basic here is covariance.

另一个基本的概念是协方差

耶鲁公开课 - 金融市场课程节选

That's another invention of the 1600s, by the way-- the thermometer. And they learned that concept-- perfectly natural to us--temperature.

顺便说一下,温度计也是十七世纪的发明,那时候的人才刚刚开始理解温度的概念,虽然对我们来说这是个很自然的概念

耶鲁公开课 - 金融市场课程节选

Another important concept in probability theory that we will use a lot is expected value, the mean, or average-- those are all roughly interchangeable concepts.

概率论中另外一个常用的重要的概念是,期望值或者也叫均值,这两个概念可以互换

耶鲁公开课 - 金融市场课程节选