Visitors who are not experienced rock climbers can follow a steep man-made path that takes them to the top.

VOA: special.2009.07.20

It's instead outside of them and, by convention, at the top of the file so that I can access it anywhere, whether or not this is a good thing, remains to be seen.

它在函数的外面，按照惯例，在文件的顶端，所以我可以在任何地方使用它,不管这是不是好事情，拭目以待。

哈佛公开课 - 计算机科学课程节选

Because what I am saying here is "let's not study the average", let's study the top five percent so that we can understand the phenomenon better.

我想说的是，不要研究大众，研究快乐指数最高的5%的人,这样就可以更好地理解这一现象。

哈佛公开课 - 幸福课课程节选

But not many that can top what one company offered year after year.

VOA: standard.2010.03.08

So, conceptually if you've ever wondered why you get access in all of your functions to global variables that's because they're not down here, they're at the very top of RAM and any function can access that RAM way up there, but for now the interesting player in the story is this thing called the heap.

所以，如果你想知道为什么全局变量能在,所有的函数中使用,那是因为它们不在这下面，而是在内存的顶端,那样任意函数都可以在内存中使用它们，现在，这里面一个有用的角色是,叫做堆的东西。

哈佛公开课 - 计算机科学课程节选