Please forgive me!! I'm asking a stupid question!

this is my first time to take GMAT and lots of CDers are talking about GWD. But what is GWD ?  How can I get it? thanks a lot!!!

[推荐] A-Z Dictionary （CD纵横手册——缩写指南）  [ 2 3 4]

查找"GWD"词条

或者在困境区搜索“GWD”