But experts say the recession has not cut enrollment in four-year programs, even with their higher sometimes much higher -- costs.

VOA: special.2009.11.19

You'd have four times as many companies but you might not have four times as much valuable innovation.

有的只是四倍数量的公司，但是,你能够有的有价值的创新想法却远远不够。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

They are linked together by four different colored segments indicated here not by colors now but by letters.

它们由四个不同颜色的片段连接,这里不是用颜色表示,是用字母表示

耶鲁公开课 - 生物医学工程探索课程节选

But it was not until their nineteen ninety-four album "Dookie" that the band experienced commercial success.

VOA: special.2009.05.29

So did anyone choose strategies bigger than 67? Okay, I'm not going to read out names here, but turns out four of you did.

但还是有人选择大于67的数,对吗,我不会把他们的名字念出来,事实上你们当中有四名同学这么选的

耶鲁公开课 - 博弈论课程节选

But he did not stop them at first. More than four thousand workers joined.

VOA: special.2010.06.24

And so it really, not the course but the idea for the course, was an evolution three years four years ago, really, when I was involved in something called the Civic Values Task Force, which was started by Princeton Project 55.

所以说，不是这个课程,而是这个课程的设想，是在三四年前形成的，当时我参加了,公民价值专责小组，由普林斯顿大学55工程发起。

普林斯顿公开课 - 人性课程节选

University of Illinois Professor May Berenbaum says it appears that bees could deal with one or two viruses at the same time, but not three or four.

VOA: special.2009.09.22

And so you can see here now you're not just getting relative risks of two, three, or four but you're getting relative risk of a hundred, in this case, massively elevated risk.

可以看出,肥胖人群的患病风险不只高出了三四倍,而是上百倍,风险极大地提高了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

At four and a half months, Finn is not talking, but he definitely responds to what his mother says.

VOA: standard.2010.05.05

Any of you who have access to a four- or five-year-old, a sibling or something-- Do not take one without permission, but if you have access to a four- or five-year-old you can do this yourself.

如果你身边有四五岁大的孩子,兄弟姐妹什么的,一定要先得到同意再去试验,如果你身边有四五岁大的孩子,你可以自己去试试

耶鲁公开课 - 心理学导论课程节选

They now face perennial power Brazil, a four-time champion at this level, but Tetteh says he is not concerned by the formidable opponent.

VOA: standard.2009.10.15

The classical hoplite formation then was not the long lived military institution of scholarly tradition, but merely one phase in a history of almost four centuries of slow change towards ever denser and more cohesive heavy infantry formations."

这种方阵的形成,并不是经过长期传承的传统军事制度,只是步兵阵型演变的一个阶段,战阵逐渐向更加紧密坚固的步兵阵型转化,而这个变化持续了约有四个世纪"

耶鲁公开课 - 古希腊历史简介课程节选

Government officials still have not declared the recession officially over, but the GDP report marks the second quarter of expansion after a record four quarters of decline.

VOA: standard.2010.01.29