第五条，不能大笑，只能微笑，这一条很难做到！碰到高兴的事，也只能微笑一下，好难受啰！那我还是要打几个哈哈着，管她老不老！

 

 

 

The more you learn, the more you know, The more you know, the more you forget. The more you forget, the less you know. So why bother to learn.