Let me start with the one with differentials that hopefully you kind of understood yesterday, but if not here is a second chance.

第一种就是昨天讲的微分法，希望你们能明白，不明白也没关系，现在可以认真听一下。

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"What protects the lady is when the FBI does their background check, and if this guy's got a criminal record he's not going to be allowed to bring a lady here."

VOA: special.2011.02.14

If you scroll back up on the printout or screen here, you'll see that you can actually not only declare function's prototypes, their general structure.

如果我回滚到打印输出或者这个屏幕，你们将看到你们不仅可以声明函数的原型,它们的一般结构。

哈佛公开课 - 计算机科学课程节选

And what I'm showing here is not on your notes, if you're interested you can look it up in your book.

我这里展示的没有在你们的讲义里给出，如果你们感兴趣的话可以看看课本。

麻省理工公开课 - 化学原理课程节选

If you're planning on catching a launch soon, do yourself a favor and do your homework -- if not here, then at NASA's site.

CNN: The Internet: the final frontier for space watchers

If not, here are results just from Forbes.com alone.

FORBES: Lemonade and Liberty

If they are not here, they are highly unlikely to have spread to other, more distant nodes and beyond.

BBC: 'One stop shop' for cancer