Now, your temptation is to keep the first answer because you know energy is not going to be negative.

你肯定想保留正根,因为你知道能量不会是负值

耶鲁公开课 - 基础物理课程节选

Just a few small points. First of all, keep in mind that the bug is probably not where you think it is. Because if a bug were there, you'd have already found it.

第一，记住错误可能不是，发生在你认为的地方,因为如果那儿有一个错误,你可能已经找到了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

I would say, keep that to a minimum, because what the first formula tells you should be so intuitive that you don't have to cram this.

我会说,越少越好,因为对于第一个式子的内容,你应该觉得如此自然,以至于你都不用去记

耶鲁公开课 - 基础物理课程节选

What they want to do is expand the actions of the Fed, so that they're not--you can describe the Federal Reserve or any central bank, traditionally, as a banker's bank the Bank of England was the first central bank and it made banks keep deposits at the Bank of England.

他们想做的是扩大政府对经济的调控范围，这样政府就能将联邦储蓄,或者其他中央银行变成银行的银行,英国银行是第一个中央银行,他使其他银行将钱存放在它这里。

耶鲁公开课 - 金融市场课程节选

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选

Colony is a Latin word ultimately for colonia and the Roman colonies were, first of all,garrisons that they planted in land they had conquered to keep the people quiet.

殖民地是拉丁词Colony的衍生,对于古罗马的殖民地来说,首先,派兵驻守占领的城市,震慑当地民众

耶鲁公开课 - 古希腊历史简介课程节选