Semivariable
[经] 半变动的(成本)
🗣️ 情景例句
When will you be able to deliver?
您什么时候可以交货？
Have you invited any boys?
你邀请男孩吗？
We'd better catch a bus. I'll go with you.
我们还是搭公共汽车去好。我跟你一块去。