Variable cost
[经] 可变成本
🧩 词语组成解析
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
I don't know haw that could have happened.
我不知道怎么会发生那样的事。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
Where he made mistakes, he admitted these willingly.
无论在哪里犯了错误，他都乐于承认。