This is something that you're going to prove in statistical mechanics, and so we're not going to worry about where this comes from.

我们会在统计力学中,证明这一结论，现在不需要去,操心这一结论的由来。

麻省理工公开课 - 热力学与动力学课程节选

They did it again, even more decisively in World War Two, and that's how we got progressive taxes.

而二次世界大战时，他们毫不犹豫的，再次提高了对富人的征税，这就是累进税的由来。

耶鲁公开课 - 金融市场课程节选

It is the unique source of human assertiveness and aggressiveness as well as the source of resistance to the aggression of others.

这是人类魄力与进取的特殊泉源,但同时也是,抵制他人进犯的由来。

耶鲁公开课 - 政治哲学导论课程节选

Another example. This captured my imagination-- when I was a kid, my dad told me about the invention of the chess game-- some of you know the story.

另一个例子，这个例子捕获了我的想象力-,在我小时，父亲给我讲象棋游戏的由来-,有些人可能知道这个故事。

哈佛公开课 - 幸福课课程节选

Here it is not just the venerability of slavery, how old it is, but it's the idea that it has been crucial to the development of all great civilizations.

不仅仅讨论奴隶制的庄严性与历史由来,更是它曾经对人类文明的发展,起过至关重要的作用

耶鲁公开课 - 美国内战与重建课程节选

Maybe by the different branching patterns that these processes had, or how many processes were on a different kind of neuron, you'd be able to tell something about its function and probably something about where it came from.

通过辨识分化过程中的,不同突起的分支模式,或是不同神经元各异的突起数目,也许你也能分辨出这一细胞的功能,或许还有它的由来

耶鲁公开课 - 生物医学工程探索课程节选

This is what's called the Bohr radius, and we'll explain - hopefully we'll get to it today where this Bohr radius name comes from, but for now what you need to know is just that it's a constant, just treat it like a constant, and it turns out to be equal to or about 1/2 an angstrom.

它叫做玻尔半径，我们后面会解释,希望我们今天可以讲到,波尔半径这个名称的由来，但现在你们只要记住,它是一个常数，只要把它当做一个常数对待，它等于,或者是1/2埃。

麻省理工公开课 - 化学原理课程节选

That's where this terminology comes in to play because on iTunes we buy songs.

这就是这个术语的由来,我们在iTunes音乐商店购买歌曲

耶鲁公开课 - 聆听音乐课程节选

Treasury bills in the United States are limited to one year out; well, that's the name of it.

美国短期国库券最长为一年,这也是它名字的由来

耶鲁公开课 - 金融市场课程节选

So this is the source of the word, Pygmalion.

这是这个词的由来。

哈佛公开课 - 幸福课课程节选