But just to hammer home this point, if I could, we have time for one awkward demonstration.

但是这个时候为了再三强调到彻底的了解，如果可以的话，我们还有时间做一个不太好的示范。

哈佛公开课 - 计算机科学课程节选

So just to hammer home this point, for now, a function really is like a black box.

现在再三强调，让你们彻底了解这一点，一个函数就像是一个黑盒子。

哈佛公开课 - 计算机科学课程节选

You just need to express in ASCII character, one at a time, and these brave souls are simply going to spell something out for us to hammer home this point of binary.

你们只需要每人代表一个ASCII码，这些勇敢的小伙子们就是想,清楚的让大家理解二进制原理。

哈佛公开课 - 计算机科学课程节选