"But," he went on, "there is no reason in the world why Negroes should not have all the natural rights listed in the Declaration of Independence.

VOA: special.2009.06.11

I mean, you grew up in an age when computers were blazingly fast, and have tons of memory, so why in the world do you care about efficiency?

我的意思是你们是伴随着,计算机快速发展成长的，计算机都有这么大的内存,那还在乎效率干嘛呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Why in the world, over that period of time, would people's relationships with food get even worse?

但是为什么在那之后,在这个世界上,人和食物之间的关系变得越来越糟呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

She suggests that could help explain why the United States has a higher teen pregnancy rate than any other country in the industrialized world.

VOA: standard.2010.05.12

Then you might ask, why in the world do companies issue stock dividends anyway, what's the point?

你可能要问,那公司发放股票股利到底是为了什么呢,意义何在

耶鲁公开课 - 金融市场课程节选

Which country is doing that in the world and why should Ghana do that?

VOA: standard.2009.08.23

So why in the world do you care about efficiency?

那到底为什么我们还要关心效率呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

"Fires,fires,fires," "But we are very fortunate that we have the best and the most aggressive, best trained, most courageous firefighters in the world and that's why we are able to push back very heavily."

VOA: standard.2009.09.01

Now, that's a very important point, because why in the world would you give a shield of the kind I am describing, for a man to defend himself, if you imagine him standing by himself anywhere, if you imagine him any distance from the rest of the guys fighting alongside of him.

这点非常关键,那就是到底为什么要将,这样一种盾牌,给士兵们使用,想象一下这个场景,这个士兵在战场的某个角落孤军奋战,与其它友军士兵相隔甚远

耶鲁公开课 - 古希腊历史简介课程节选

Lee Smith says it has always been hard for Americans to understand exactly why peace in the Middle East is so elusive, and why violence and terrorism are so pervasive and persistent in the Arab world.

VOA: standard.2010.03.18

It's interested in explaining how and why the world got the way it is.

它重要解释如何及为何成了现在的模样。

耶鲁公开课 - 旧约导论课程节选

They might have come from two completely different places, from two completely different species from different parts of the world, and they're put together in a new way and that's why it's called recombinant DNA.

它们也许来自两个完全不同的地方,来自世界上不同地区的两个完全不同的物种,以新的方式组合在一起,所以它被称作重组DNA

耶鲁公开课 - 生物医学工程探索课程节选

Why in the world would you want to compare that?

我为什么会去比较这些呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

And if that's the case, why in the world would--can we justify all that shipping, all the excess energy to taste, to ship water in from France, rather then just buying something local or drinking water out of the tap?

既然如此,为什么还会有世界范围的进出口呢,为什么还要浪费能源,从法国进口呢,而不是买当地的品牌,或是直接喝水龙头里的水呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Meaning, why in the world do I have to tell the reader that I'm binding x to the value three? All right?

意思就是，我为什么要,告诉代码阅读者,要把x绑定到3这个值上呢？，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选