You've got a loop, you've got a condition and a boolean to check if he's touching the edge, and some statements to tell him to shout or to actually turn around.

我们有一个循环，通过一个条件和一个布尔值来判断,是否触到了边缘，还有一些语句,让它回头并咆哮。

哈佛公开课 - 计算机科学课程节选

And by analyzing the film clips he tries to predict will their marriages survive.

通过分析这些片段,他尝试语言他们的婚姻是否会长久。

耶鲁公开课 - 心理学导论课程节选

Well,you might have thought we answer that by asking Am I still alive?

你也许会通过思考，我是否还活着来决定答案？

耶鲁公开课 - 死亡课程节选