The solution is so simple, give us $2, we'll give you a ticket and yet it takes nine steps to do that.

解决方案也简单，给我们2美元，我们将给你一张票,但是你需要9个步骤来处理。

哈佛公开课 - 计算机科学课程节选

Duh!" of course, is our response, and yet at the same time we can't understand a degree of mystery in even so seemingly simple a pronouncement. A beginning, of course--well, it has to have a beginning.

我们肯定要说：“废话！这不是明摆着的么！“，但同时,我们并不能深刻理解这样一个看似浅显的观点,起因，当然啦，一个故事总要有个开头。

耶鲁公开课 - 文学理论导论课程节选