So I can just hide these two, these two columns.

所以我可以把这两栏隐藏。

And towards the end of the revision period where it came to exams, I was doing this thing where I would hide some columns that I didn't need like, so between here and here, yeah, so there's quite a few green ones.

在复习期快结束的时候，考试来临，我在做一件事，我会隐藏一些我不需要的栏，所以在这里和这里之间，是的，有相当多的绿色栏。