But one possibility, he says,is that it may take time away from sports or other activities that could help prevent depression.

VOA: special.2009.03.10

In order to keep the currency convertible they had to keep interest rates high to prevent people from demanding the gold.

为了保持货币的转换性,他们不得不将利率提高,以防人们向他们索求金子的兑换。

耶鲁公开课 - 金融市场课程节选

You would have this initial response, now that initial response might be too slow to prevent you from getting chickenpox.

你对水痘病毒产生初始应答,这种初始应答可能,过于缓慢,无法预防水痘

耶鲁公开课 - 生物医学工程探索课程节选

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

"His arrest was made," Lincoln said, "because he was trying with some successto prevent men from entering the army.

VOA: special.2009.10.29

That process will prevent you from getting into trouble.

这样可以让你免于陷入困境

耶鲁公开课 - 博弈论课程节选

He told a friend: "I am satisfied that if the election were held now, nothing could prevent me from becoming president.

VOA: special.2009.03.05

And which, in the case of England, the civil war was largely fought, to a great extent anyway, trying to prevent the English monarchy from taking on characteristics of those emerging absolute states on the continent.

其中之一是英国,［1648年的英国内战称之为 "英国资产阶级革命"］,这在很大程度上,是为了阻止英国的君主制,转变为欧洲大陆上新兴的绝对主义

耶鲁公开课 - 欧洲文明课程节选

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

And you can kick it down the road ... but somebody down the road... I think it's very important to make the tax cuts permanent to prevent the taxes from increasing It would be really a large drag on the economy.

你可以视若无睹,但总得有人来。,我认为，长期实行减税政策十分重要,这样可以避免税率增加,否则会极大地阻碍经济发展。

斯坦福公开课 - 经济学课程节选

The agreement sets targets to prevent the Earth's average temperature from rising more than two degrees Celsius above pre-industrial levels.

VOA: special.2009.12.26

It's a mechanism that they have evolved in order to prevent foreign genes from entering a cell and being expressed.

它们进化出这种机制来,防止异源基因进入细胞并表达

耶鲁公开课 - 生物医学工程探索课程节选

One Confederate officer, trying to prevent his troops from moving back, pointed to a group led by General T.J.Jackson of Virginia.

VOA: special.2009.08.27

So, you're treating healthy people and you're trying to prevent them from getting a disease and you don't know who's going to get it.

所以,你处治的对象是健康人群,要使他们远离疾病,但你不知道谁会被感染

耶鲁公开课 - 生物医学工程探索课程节选

The project also works to prevent languages from dying out by identifying the most threatened areas where languages are disappearing.

VOA: special.2009.12.02

Maybe there are a number of structural problems that prevent them from doing that ... and they think, maybe, that-- I think Norway may be moving that way, so we'll see in the future.

也许在结构上存在不少问题,导致他们无法做到那一点,而且他们觉得，也许-,我认为挪威会向那个方向努力的，让我们拭目以待吧。

耶鲁公开课 - 金融市场课程节选

Twenty-one nations around the world recently joined forces to better understand and prevent greenhouse gas emissions from farms.

VOA: special.2010.01.05

As we'll see in section today, a vaccine does not have to be totally perfect in order to prevent transmission of a disease, because when a disease enters a community its spread from one person to another.

有如我们今天看到的,疫苗不一定非要,绝对完美地阻止疾病的传播,因为当疾病侵入一个社区后,会在人群间传播

耶鲁公开课 - 生物医学工程探索课程节选

But one possibility,he says, is that it may take time away from activities that could help prevent depression, like sports and socializing.

VOA: special.2009.02.11

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

But he also said the government must be willing to spend extra money to prevent people from starving.

VOA: special.2011.03.10

s treasury secretary Hank Paulson intervened to prevent Bear sterns, re in wall street now, one of the gigantic financial institutions from collapsing altogether.

008年3月，布什的财政部长，In，march，2008，，Bush’,汉克，鲍尔森,干预阻止贝尔斯登银行，贝尔斯登银行是华尔街上，they’,的一家大的金融机构,政府干预没有让其倒闭。

斯坦福公开课 - 经济学课程节选

The Union commander,General Hooker, had to keep his army between Lee and Washington to prevent the Confederates from seizing the national capital.

VOA: special.2009.10.22

The volunteers placed the plants about five centimeters into the soil to prevent rising and falling water levels from pulling them out.

VOA: special.2009.10.06

For example, you can add sand to prevent tiny breaks or lines from forming in the finished product.

VOA: special.2009.09.14

The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities,from forming.

VOA: special.2009.03.11

One of Palmer's first actions as Attorney General was to prevent coal miners from going on strike.

VOA: special.2010.12.09

The GAVI Alliance says almost two million children a year die from diseases that vaccines can prevent.

VOA: special.2011.06.15

People around the world can prevent diseases spread by mosquitoes by removing standing water from their property.

VOA: special.2009.04.13