"I think we have got to pay a wonderful tribute to a man to whom we owe all of this, he is in Johannesburg and if we make a loud enough noise he will hear us and so we say, halala Nelson Mandela."

VOA: standard.2010.06.11

In fact, I don't know if in the news the pioneer in this is a man named Judah Folkman, who is a surgeon who first speculated that this was important, and sadly he died on Monday, but had a dramatic impact on our understanding of how cancers develop in people and new approaches.

实际上,我不清楚这个新闻中提到的人,是不是犹太?福克曼,这个领域的先驱,他是个外科医生,最先提出了这个重要的理论,不过不幸的是他在本周一去世了,他让我们对癌症有了新认识,带给我们治疗癌症的新思路

耶鲁公开课 - 生物医学工程探索课程节选

So if I type "man sleep," this is going to give me the user's manual for a program called sleep, but there's a gotcha and the problem set it makes clear, sleep notice that it says at top left sleep one.

所以如果我键入“man，sleep“，它将,给我一个叫做sleep程序的用户手册，但是这里有个参考信息，它使问题更清晰，请注意它指明在左上角。

哈佛公开课 - 计算机科学课程节选