C-20：couch potato 电视迷
A:How about a picnic this weekend?
A:这周末去野餐吧？
B:Sounds a good idea. But, wait! I'll miss my favorite TV program then.
B：这主意听起来不错，等等，那我就会错过最喜欢的电视节目了。
A:Come on, a couch potato always has poor health, You need more exercises.
A:好了，电视迷的身体没几个好的，你该多动动了。
