"Historically, during our last two recessions in ninety-one and two thousand one it's taken twenty-three months in ninety-one and about thirty-six months, three years,in our last recession in two thousand one for the United States to regain the jobs lost in the recession."

VOA: special.2009.11.06

How many people vote for that this is a reversible process? I've got one vote back there two votes, three votes, four votes. Anybody else?

有多少人认为,这是一个可逆过程？有一个，两个，三个,四个，还有别的人吗？

麻省理工公开课 - 热力学与动力学课程节选

so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.

因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。

麻省理工公开课 - 固态化学导论课程节选

"A very sobering statistic is that for every one person that we put on therapy, two to three people get newly infected."

VOA: standard.2010.07.17

There are some relative, the notion that the energy gap between n equals one and n equals two is greater than that for n equals two to n equals three. That is correctly represented.

还有很多与之相关的内容，比如说这个观点，第一能量级和第二能量级,之间的能量差要大于第二和第三能量级间的,能量差，而这已经被正确地表示出来了。

麻省理工公开课 - 固态化学导论课程节选

In the course of one concert, we play for a larger live crowd than all but I think two or three orchestras in the entire country play for, over the entire year.

VOA: standard.2010.07.28

Lewis structure for N2 is one, two, three, four, five.

氮有五个电子，一二三四五。

麻省理工公开课 - 固态化学导论课程节选

Baucus has spent months negotiating with Republicans and skeptical Democrats on the panel to gain support for a bipartisan version of reform legislation one of two measures to emerge in the Senate, along with three in the House of Representatives.

VOA: standard.2009.09.09