寻ECO1102,卖ECO1104

[sonw]

想买ECO1102+STUDY GUIDE ,卖ECO1104附加STUDY GUIDE.

 

[最爱柏芝]

4th edition with study guide

ask$30,ok?

 

[sonw]

我要的是第五版的,不过谢了

 

[gooloomoo]

5th ,$45 no STUDY GUIDE