Susan很苗条，Cathy很胖，她们是好朋友，不过却都羡慕对方……
This story is about two good friends Cathy and Susan. Cathy is a very thin girl; on the other hand, Susan is a very heavy girl. Therefore Cathy and Susan want to change themselves.
Scene I
(Cathy and Susan encounter each other on a street.)
Cathy: Hello, Susan. How are you?
Susan: I’m not doing well.
Cathy: Why not?
Susan: I’m too fat. I want to lose some weights.
Cathy: Really? But I want to become fat.
Susan: Are you crazy? Being fat is a terrible thing. Look at me. My abdomen looks like a swimming belt. It is so ugly.
