Sign Language

Sign Language

手语

There is one common language in every country in the world. 

世界上每个国家都有一种共同语言。

All the people, old and young，men and women, must use it. It's everybody's second language. 

所有人，无论老少，无论男女，都必须使用它。它是每个人的第二语言。

It's easy to understand, although you don't hear it. It's sign language. 

虽然你听不见，但很容易理解。这是手语。

When you wave to a friend, you are using sign language. 

当你向朋友挥手时，你正在使用手语。

When you smile at someone, you mean to be friendly. 

当你对某人微笑时，你的意思是友好。