gre-argument:修订的gre论证的完美轮廓

This is the GRE Argument outline I wrote 5 years ago. It is a little bit out of date now but I guess it is a good starting point for you to start your GRE Argument Preparing. 五年前写的提纲，现在有点过时了，不过用来熟悉熟悉套路还是不错的。