你是问我2003版的指南和2007版的指南之间的区别，我尽量简短地回答这个问题。

So I'll be very short because you ask me what are the differences between 2003 and 2007 guidelines.

youdao

你是问我2003版的指南和2007版的指南之间的区别，我尽量简短地回答这个问题。

So I'll be very short because you ask me what are the differences between 2003 and 2007 guidelines.

youdao