We're not supposed to eat the fruit on the table. It's just for show. [=it's just being used as decoration]我们不能吃桌上的水果，它们只是用来做装饰的。

He says he enjoys classical music, but it's only for show. [=he pretends to like classical music]他说他喜欢古典音乐，其实只是装装门面而已。