K-8：kill two birds with one stone 一举两得
A:What do you plan to do in the summer holiday?
A:你暑假里准备干什么？
B:I'm going to find a temporary job in a computer company. On one hand. I can get some pocket money. On the other hand, I can practice what I have learned in school.
B：我想在电脑公司找份临时工干干。一方面可以赚点零花钱，另一方面还可以实习一下学校里学的东西。
A:Good idea. you can kill two birds with one stone.
A：好主意，你可以一举两得了。
