Anyone? How many times can you tear a 4 billion page phone book in half?

谁知道？,40亿页纸每次对半撕，你能撕多少次？

哈佛公开课 - 计算机科学课程节选

I need you tear not the page out; I need you to tear this phone book in half in front of 500 of your peers.

我不是要你仅仅撕下来那一页;,我要你当着500位同学的面,把整个电话薄撕成两半。

哈佛公开课 - 计算机科学课程节选

The piece of paper you have here is 250 names chosen randomly from a Manhattan phone book.

你们手上的那张纸有250个名字,都是从曼哈顿电话薄里随机挑出来的。

耶鲁公开课 - 心理学导论课程节选

Once you know that, get on the phone, get on the Internet, book your tickets.

你们一知道时间，就拿起电话，或者上网，预定回家的票。

麻省理工公开课 - 固态化学导论课程节选

There are some thousand pages in this book, and I the human could certainly find Mike Smith every easily, very correctly by starting, if you'll simulate from the front of the phone book on page 1, looking for Mike Smith.

这本书有上千页，如果从电话薄的第一页开始找起，我当然能轻松且准确地找到,每一个叫Mike，Smith的人。

哈佛公开课 - 计算机科学课程节选