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'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
He is very happy to see his wife.
丈夫见到他妻子，很高兴。