Stratfor was one of several organizations earlier this year warning that Mexico could become a failed state if it does not win the war against the criminal elements that hold sway over some areas of the country.

VOA: standard.2009.12.18

If nature is a norm, it does not, again, mandate or incline us to peace, friendship and solidarity with others.

如果自然是一个准则，它不会，指引我们向和平，友爱,和与别人的团结。

耶鲁公开课 - 政治哲学导论课程节选

If something has a high ionization energy, it means that it really, really, really does not want to give up an electron.

如果某个东西有很高的电离能，这意味着它非常非常，非常不愿意失去一个电子。

麻省理工公开课 - 化学原理课程节选

"We have to improve health care in general for everyday need and everyday purposes and if it does not work on an everyday basis of course in a crisis or in a disaster it is not going to suddenly work better,".

VOA: standard.2009.10.14

And in fact, if you look down- and I'm just going to highlight this portion, I'm not going to run it- but if you look down here, that's exactly what that does.

实际上，如果你往下看-,我正要强调这一部分，我不会去运行它-,但是如果你看看这儿的话，这个方法确实就是这么做的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Experts say cabbage does not need full sun and grows easily if you water it regularly and protect against insects and disease.

VOA: special.2009.03.03

If not,what does it mean we are?

如果不是，那我们是什么？

耶鲁公开课 - 新约课程节选

"Everyone is half-dead. It does not matter if you shell them because you are shelling a dead body."

VOA: standard.2010.01.02

If the right to private property is natural, not conventional, if it's something that we acquire even before we agree to government, How does that right constrain what a legitimate government can do?

如果私有财产是与生俱来的，而非约定俗成，如果这是在我们同意组建政府前就拥有的，这个权利又如何能限制合法政府的行为呢？

耶鲁公开课 - 公正课程节选

"If he does not show some progress and it just seems like we are getting deeper and deeper into an occupation and a counter-insurgency effort without any positive news for a number of months, I think he could face some real opposition,".

VOA: standard.2009.09.02

A prudent man," he writes, "should always enter upon the paths beaten by great men and imitate those who have been most excellent, so that if his own virtue does not reach that far, " it at least is in the odor of it."

他写到：，“一位审慎的君子，应总是选择由伟人所开创的道路,并模仿那些,具有最优美德的人，如此一来若其自身的美德不及先人，至少仍能保有其风“

耶鲁公开课 - 政治哲学导论课程节选

(RECORDING) Erekat said President Abbas will tell Mitchell that if the United States does not succeed in convincing Israel to stop the settlement expansion, it will - in Erekat's words mean that no one in the Arab world will believe that Mr.Obama can ultimately convince Israel to end its occupation of the West Bank.

VOA: standard.2009.09.14

The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.

写成5每秒，或5赫兹,你们要记住的是赫兹,并不等于秒的倒数，它是每秒的循环数，如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。

麻省理工公开课 - 化学原理课程节选

But the United States has to free trade, and in that sense, it's likely to lean on the direction of keeping it open, the problems will arise if India does not reciprocate.

但美国非常坚决地,自由贸易，因而，其政策会倾向于,保持对外开放，如果印度不接受,这个机会营造互惠便会产生矛盾。

普林斯顿公开课 - 国际座谈会课程节选

So, hopefully that kind of clears up that question. And, of course, when the velocity actually is zero, this equation that the de Broglie has put forth is valid for anything that has momentum, so if something does not have any velocity at all, it actually does not have momentum, so you can't apply that equation anyway.

能回答你的问题，当然，如果速度真的是零的话,德布罗意提出的这个方程,只对有动量的物体成立,所以如果一个东西没有速度，它没有动量，也就不能应用这个方程。

麻省理工公开课 - 化学原理课程节选

So, we can use Coulomb's force law to think and it does that, it tells us the force is a function of that distance. But what it does not tell us, which if we're trying to describe an atom we really want to know, is what happens to the distance as time passes?

来考虑这两个粒子之间的,它告诉我们力随距离的函数关系,但它不能告诉我们，而我们如果要描述,原子又非常想知道的是,距离随时间的变化时怎样的？

麻省理工公开课 - 化学原理课程节选

Can anyone not see it? Does anyone need -- actually I can't even tell if you raise your hand. So ask your neighbor if you can't see it and get one of the plates if you're having trouble seeing with the glasses. So this should match up with the spectrum that we saw.

有人没看到的吗？,有人需要-实际上你们举手我也看不见,看不到的话就问你们周围的人借个小片,如果你们用眼镜看不到的话,这应该和我们看到的光谱是吻合的。

麻省理工公开课 - 化学原理课程节选

So we want to look at any element that has a 3 p orbital filled, but that does not then go on and have a 4 s, because if it had the 4 s filled then we would actually see six lines in the spectrum.

所以，我们要找一找有哪些元素的,3，p，轨道被占据，但没有，4，s，轨道被占据,因为如果，4，s，轨道也被占据了,那我们会在光谱中看到第六条谱线。

麻省理工公开课 - 化学原理课程节选