But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

He found a distribution. And, if you look more closely at the distribution, here is what he found.

他发现了分布，如果你仔细观察电荷分布的话，这就是他发现的。

麻省理工公开课 - 固态化学导论课程节选

But there seems to be as much, if not maybe a bit more work in terms of part-time and short-term jobs.

但是就兼职和短期工而言，工作似乎没变少，可能还更多了。

英国的影视产业 - SpeakingMax英语口语达人

The top U.S.commander in Afghanistan, Army General Stanley McChrystal, has warned that the war with the Taliban could be lost if more troops are not deployed.

VOA: standard.2009.10.19

But, if you look more carefully, you will find that this is a blend of three different forms of carbon.

但是，如果你们再认真一点，会发现,它是三种形式的碳的混合物。

麻省理工公开课 - 固态化学导论课程节选

But if you are more interested in fast cars, here is a new turn in the world of motorsports.

VOA: special.2010.07.30

If the stock went up yesterday, it's more likely to go up today, than if it didn't go up yesterday.

如果股票昨天涨了，今天涨的可能性也就更大，如果昨天没涨今天也不大可能会涨。

麻省理工公开课 - 计算机科学及编程导论课程节选

For example, a person was 20% more likely to feel happy if a friend living within 1.5 kilometers was also happy.

VOA: special.2009.01.21

And we'll talk about this more, so if this is not completely intuitive, we'll see why in a second.

关于这个我们将会讨论更多，所以如果这个不是完全凭直觉获知的，我们一会儿再来看看为什么。

麻省理工公开课 - 化学原理课程节选

The Securities and Exchange Commission says a private company must report financial information if it has five hundred shareholders or more.

VOA: special.2011.01.07

You can be passive if it isn't any good but if you are more active, you may find things.

如果没有什么好处，你们可以被动,但是如果你们更主动，会发现些什么。

麻省理工公开课 - 电影哲学课程节选

Soon,Barton recognized that many more lives could be saved if the men had medical help immediately after they were hurt.

VOA: special.2009.07.26

In fact, if you start thinking more about the world from this perspective, the world we live in is crazy.

如果你开始更多的,从这个观点去思考这个世界,我们生存的世界是很疯狂的

耶鲁公开课 - 死亡课程节选

John Coates -- himself a former trader -- wondered if,over all, men with more testosterone made more successful traders.

VOA: special.2009.02.25

Now we can do more than that if we're being nerdy, but I'm not going to be this nerdy today.

如果我们再深究还能获得更多信息,不过今天就算了吧

耶鲁公开课 - 博弈论课程节选

"If you're texting while driving, you are twenty-three times more likely to get into an accident than somebody who isn't.

VOA: special.2010.07.01

It's much more interesting if you can actually build things that are interactive, that are animated, that play music and so forth and not just produce things on day 1 that outputs zeroes and ones like this.

如果你构建的东西是互动的,像动画，音乐播放等等，而不是编些像第一天那样,只是输出0和1的程序。

哈佛公开课 - 计算机科学课程节选

Stress is more likely to be harmful if you feel helpless to deal with the problem or situation that causes the stress.

VOA: special.2009.03.24

Are we out? Yeah, there are a couple more, and if you don't have one you can share.

分完了吗？好，这里还有一些，如果还没拿到的同学可以合看一份。

耶鲁公开课 - 1945年后的美国小说课程节选

The Afghanistan policy calls for establishing security in cities and towns, protecting civilians even if it means more danger for coalition troops.

VOA: special.2010.06.26

If you're rich you'll get a better education, if you're smart people will like you more, if you're attractive and so on.

如果你富有，你能接受更好的教育，如果你聪明，别人会更喜欢你，如果你有吸引力等等。

耶鲁公开课 - 心理学导论课程节选

Many people believed the depression would end if the government issued more paper money backed by silver.

VOA: special.2010.07.01

There are a lot of people that can do work, and if you have a more efficient way to manage a large crowd of engineers, you can be very competitive in the technology world.

人们的工作能力毋庸置疑，如果你能够有效管理,一个大的团队，那么在这个领域，你的竞争力就提升了。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

One showed that adults are much more cooperative if they work in a system based on rewards.

VOA: special.2009.10.21

If you had more than fifty minutes, you could actually make ample use of it.

如果你有超过50分钟的教学时间，你大可尝试去做。

耶鲁公开课 - 文学理论导论课程节选

But users are charged if they try to spend more than the amount available in their account.

VOA: special.2009.05.21

Again,tie to success as well as wellbeing, if we are more toward the positive side.

注重健康的同时也要注重幸福，如果我们是较为积极的话。

哈佛公开课 - 幸福课课程节选

"If al-Shabab takes more and more control within Somalia, it is going to be exporting violence the way it just did in Uganda."

VOA: special.2010.07.17

If it's more affordable of course you'd want to use an economic intervention.

如果是因为价格便宜,你可能会想到通过经济干预来解决

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well in the class session that I'll be giving I'll be talking More about the others. I hope to stimulate the Discussion. If you want more information on the slide As my contact information and you can contact me.

在讨论课阶段,我还有相关的其他内容要讲,我希望能激发讨论,如果你们想要幻灯片上的更多内容,可以根据我的联系方式联系我。

麻省理工公开课 - 媒体、教育、市场课程节选