节目单是一张纸或一本小册子，上面写着有什么节目，节目按什么顺序表演。

A 节目单 is a sheet of paper or a small booklet that lists the programs and the order in which they will be performed.

看演出以前，我们常常先看看节目单。

Before watching a show, we often look at the 节目单 first.