Avc
abbr. average variable cost 平均可变成本
🗣️ 情景例句
Mr. O'Neill was so impressed with your work O'Neill
先生被你的作品深深打动
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？