It is usually much better to prevent a problem from happening than it is to find ways to solve it.

VOA: special.2009.08.30

They have been working on improving their methods and they're trying to create divisions within their organizations that prevent the moral hazard from happening.

他们已经对技术进行改进,并且他们正尝试,在机构中划分部门,以便防范道德风险的发生

耶鲁公开课 - 金融市场课程节选

to try to keep those things from happening again.

来试图防止这些事情再次发生。

美国的会计丑闻 - SpeakingMax英语口语达人

To prevent this from happening, levodopa can be combined with other substances, like carbidopa.

VOA: special.2009.04.07

That's what prevents that from happening, we just don't see that going on. Yeah?

这就是开始时不进攻侧翼的原因,只是我们没有见到罢了,请讲

耶鲁公开课 - 古希腊历史简介课程节选

Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

When people get into real trouble in their lives, it's because of a sequence of bad events that push them into unfortunate positions and, very often, financial risk management is part of the thing that prevents that from happening.

人们总会在生活中遇到麻烦，一系列糟糕的事情,会将人们推向不幸的处境,而多数情况下，金融风险管理,可以防止这种情况发生。

耶鲁公开课 - 金融市场课程节选

Their goal: to find ways to fix the economic crisis and to prevent it from happening again.

VOA: standard.2009.03.31

So, what we know is happening is that were having transitions from some excited states to a more relaxed lower, more stable state in the hydrogen atom.

我们知道，这里所发生的是,氢原子从激发态到更低更稳定的态的跃迁，而我们用眼睛可以探测到的。

麻省理工公开课 - 化学原理课程节选

"And I urge Congress to continue moving forward on financial reform that will help prevent the crisis we saw last fall from happening again."

VOA: standard.2009.10.22

And so I was collecting from friends and colleagues' computers all sorts of logs that monitored the kind of low level activity that was happening on their computer.

因此我从朋友和,同事的计算机上收集各种各样的日志,这些日志用来监控,他们计算机中的低能级活动。

哈佛公开课 - 计算机科学课程节选

Israeli analyst Ra'anan Gissin. "The strategic thinking has to be, first of all, to have sufficient intelligence but also the right intelligence, so that we can forestall, so that we can prevent this from happening right from the beginning."

VOA: standard.2010.07.12

His Leatherstocking Tales are full of a certain anxiety about what might be happening to that frontier, what's coming from east to west.

他的《皮袜子故事集》里弥漫着某种焦虑不安,它讲述了西进运动开拓者们从东部来到西部,有可能会遇到的一些事情

耶鲁公开课 - 美国内战与重建课程节选

Myra Olmeda is the teacher. "So what happens is when these both groups together, they're learning,you know, one from the other -- which is the greatest thing that is happening."

VOA: special.2010.06.17

This is happening while making arm movement from the left into the right.

当手臂从左向右活动的时候，就会出现这样的情况。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

"We know from our very own eyes that it's happening. We're not kind of hearing it third hand.

VOA: standard.2010.05.24

And I think that turns out to be a great key to understanding what's happening, and everything you hear from me on this subject I learned from Hanson.

我想这对于你们能否理解,我从汉森那里学到的一些知识,是极为关键的一点

耶鲁公开课 - 古希腊历史简介课程节选

So, shielding happens when you have more than one electron in an atom, and the reason that it's happening is because you're actually canceling out some of that positive charge from the nucleus or that attractive force with a repulsive force between two electrons.

所以当你们在原子中有多于一个电子,屏蔽就会发生，它之所以会发生的原因是,你们实际上抵消了,一些来自原子核的正电荷,或者来自吸引力,在两个电子之间。

麻省理工公开课 - 化学原理课程节选

It wasn't caused by the Fed's sudden tightening against inflation. It was different it was this recession was not understood not anticipated; the Fed came in late to cut interest rates to try to prevent it from being worse because it just didn't seem to have any reason for happening.

它不是由于美联储对通货膨胀的,突然紧缩政策造成的，它不同之处在于,这个经济衰退没有被理解，没有事先准备好；,美联储试图阻止它恶化而,降低利率为时已晚，因为,它似乎看起来没有任何理由发生。

耶鲁公开课 - 金融市场课程节选