"There are concerns in most O.E.C.D.countries that the number of nurses is too small to respond to the demand.

VOA: special.2010.06.07

That's going to presumably be given--mathematically if we gave it a number, we'd slap a zero on that.

如果用数学解释,给它一个数字，给它一个零。

耶鲁公开课 - 死亡课程节选

Suppose I take a number. I'd like to add up all the digits inside of the number.

我可以用到刚刚提到的工具,来实现这个功能。

麻省理工公开课 - 计算机科学及编程导论课程节选

When he'd accumulated a sufficient number, he'd toss both butts and bottle out the window.

WSJ: Recycled Emotions

Users can capture footage from their 3-D cameras, edit them, and export the finished product to a number of different 3-D formats, from those used in the theater to home devices.

FORBES: Roxio Lets You Make Your Own "Avatar" Home Video

Include your cell phone number if you'd like a call back.

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