Then cover the top of the pot with a see-through plastic bag.

VOA: special.2011.04.26

Let's look--just to begin with, if you brought your books--let's look at the cover of this book.

首先，如果你们带了书，先看看这本书的封面。

耶鲁公开课 - 1945年后的美国小说课程节选