/kɑːst/
名词
代价;牺牲;付出
We were going to paint the house ourselves, but when we considered the cost in time and effort, we decided to get a painter to do it for us.
我们本打算自己漆房子,可是考虑到既费时又费力,还是决定请油漆工来做。
价格;费用;成本
想跟读,去练习