And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.

顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。

哈佛公开课 - 计算机科学课程节选

If you zoom in up top, which I can't quite do with a keynote here, it says, "This last minute shopping, bargain hunting."

如果你想追根究底，我也不能,在这里做一个主题演讲，它说，“这是最后一分钟购物，特价商品大甩卖“

哈佛公开课 - 计算机科学课程节选

There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish to fool them in thinking that this is something edible and then to themselves be devoured.

在深海中生活着琵琶鱼,这种鱼的头顶会长出鱼竿状的长刺,用于引诱和捕获其他鱼类,让它们误认为那是食物,然后它们自己就被吃掉了。

耶鲁公开课 - 心理学导论课程节选

C E G Supposing we didn't go C,E,G, C E G C but we decided to start with the E,G and then put the C up on top,C,E,G,C.

如果说我们不按照这个顺序，而是按照E，G，然后将C音放到和弦的最上方。

耶鲁公开课 - 聆听音乐课程节选

But very soon will you find that if you're writing programs with lots and lots of functions, and some might call these, and these might call these, you can come up very soon with scenarios where you can not order them top to bottom, because everything is comingled, and there's a lot of cross talk among all of your functions.

但是不久后你们会发现你们写的程序中,有很多很多的函数，有的函数调用这些函数，这些函数又调用另外的函数，你不能用脚本,把它们从上到下排序，因为所有函数相互混合,在你的函数中也有很多交叉。

哈佛公开课 - 计算机科学课程节选