If you have a set of blocks, mechanical, physical blocks,and I tell you to build something and I say, oh, by the way, you have to cut the blocks in smaller pieces, you are going to get angry, aren't you?

如果你要一个区块，力学的，物理区块，我告诉你要去建造东西,我说，顺便说一下，你必须将一整区块切成小块，你会生气，不会吗？

麻省理工公开课 - 固态化学导论课程节选

So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

You may remember that I had suggested in the lecture on the Nativity Ode that Milton may have thought of his career as if it were something like a race.

你们可能记得我在的演说中,曾经设想的，弥尔顿或许把他的职业,看作无休止的竞赛与追逐。

耶鲁公开课 - 弥尔顿课程节选

So this is a little scale that if you put something here or here it's supposed to tell you which one is heavier and I also have 8 cups here.

这是一个小天平，如果你在这边,或者这边放一些东西，它就会显示哪边的更重,我这有8个杯子。

哈佛公开课 - 计算机科学课程节选

I do think you'll have to walk and talk if you are teaching something.

我确实认为如果你想教什么你就必须擅长。

哈佛公开课 - 幸福课课程节选

That must be an interesting story, but I just have it here, and I think the poem tells you something about engineering if you go through it - and the problems of engineering.

这一定是个有趣的故事,我就这么一讲,我想这首民谣告诉了我们,关于工程的一些东西,如果做工程的话,关于工程的一些问题

耶鲁公开课 - 生物医学工程探索课程节选

So, for example, at an annual expected return of 12% if I have a portfolio of stocks, bonds, and oil I can get a standard deviation of something like 8% on my portfolio.

例如，在年预期收益12%的情况下%,我有股票，债券和石油的投资组合,在这个组合里,我的投资组合可以取到8%的标准差。

耶鲁公开课 - 金融市场课程节选

So we have if, and that is followed by, I'm going to use angle braces here just to indicates something goes in here, some test followed by a colon.

那么我写了if，后面跟着，我这里会用一个角括号,来代表这里有些东西，冒号后面跟着一些测试。

麻省理工公开课 - 计算机科学及编程导论课程节选