Because the IFs are saying, if it's true do this, otherwise skip on it.

因为IF是这样的，如果结果是真的，进行如下操作，如果不是那么跳过它吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you get that reinforced on the very next page if you just skip over about a page from there: "A black pickup truck turned off a side road in front of him.

当你看到下一页时,这种感觉会加强,直接往后跳过一页：,“一辆小型黑色货车,在他面前拐进一条小路。

耶鲁公开课 - 1945年后的美国小说课程节选

In the interest of time, I'm going to skip over a few other passages that I was going to read to you in reinforcement of this insistence, on de Man's part, that literature differs from other forms of discourse, the remaining question being: literature differs from other forms of discourse how?

由于时间关系，我将忽略一些其它的文章,我本想念给你们听，来巩固对这个主张的理解，对于德曼，文学与其它问题形式不同，剩下的问题是：,文学怎样与其它文体不同？

耶鲁公开课 - 文学理论导论课程节选