I suppose I expect to be pointing to the board a little bit more today than ordinarily.

今天我用到黑板,会比原来多一些。

耶鲁公开课 - 文学理论导论课程节选

The better way to think about this is, suppose, rather than starting at the beginning, I just grabbed some spot at random, like this one.

不从数组的头开始遍历，我随即的从数组中抓一个元素，比如这个，我去看看这个元素的值。

麻省理工公开课 - 计算机科学及编程导论课程节选