But the head of UNICEF, Anthony Lake,says: "Unless we all work harder, there may still be fifty-six million children out of school in two thousand fifteen."

VOA: special.2010.05.20

Rather than trying to pursue those questions--, trying to work out the details of these views would be complicated as well.

我们不去研究这些问题，尝试分析细节,这些观点的方方面面是非常复杂的。

耶鲁公开课 - 死亡课程节选

You know, if you're wandering through Harvard Square and you see an out-of-work Harvard grad, they're handing out examples of square roots, they'll give you an example and you can test it to see is the square root of 2, 1.41529 or whatever.

你知道，如果你从哈佛校园里穿过去,你看见了一个失业校友，正在派发平方根的示例，他们会给你一个例子,而你会检查2的平方根是1。41529或者别的什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

By eighteen ninety-seven,thousands of people were out of work.

VOA: special.2009.02.04

So use work out of right-hand side to run left-hand backward.

利用右边输出的功,来驱动左边的热机反方向运行。

麻省理工公开课 - 热力学与动力学课程节选

"This work is dangerous,difficult and involves out-of-state operations."

VOA: standard.2010.08.11