Why don't we have you, when the time comes, raise your hand if you're supposed to be representing a one?

为什么让家上来呢，如果你代表1，就举起你的手？

哈佛公开课 - 计算机科学课程节选

So when it comes time to implementing your own software, ask yourselves these questions.

当你开始实现你自己的软件时，向你们自己问问这些问题。

哈佛公开课 - 计算机科学课程节选