So binary search, the phonebook example, binary search on the pieces of paper on the white board, why is that?

是二分查找，例如电话簿的例子,对其中的某一页进行二分查找，为什么呢？

哈佛公开课 - 计算机科学课程节选

The first step in the process is when I was Deputy WHCF, that I put on the wall a big white board calendar.

程序的第一步是,当我还是办公室副主任，我在墙上安了个,白色的日历板。

普林斯顿公开课 - 国际座谈会课程节选

Well, let me come up with a sample set of elements here and let me go ahead and just get some fresh white board space.

下面我用一个元素的样本集来说明,我先找一些可用的白板空间。

哈佛公开课 - 计算机科学课程节选