Backscratching
n. 为共同利益而互相利用
🗣️ 情景例句
Here's a real buy.
这个价格便宜。
Who is going to throw stones?
谁在扔石头？
I suddenly pressed the brake pedal and we were both thrown forward.
我突然用力踩紧刹车踏板，结果我俩的身体都向前冲去。