Activity cost
[经] 效率成本, 活动成本
🧩 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 see. Well, it's very nice to meet you, Mr. Wrigley.
哦！我也很高兴认识您，威格莱先生。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
That's an English car!
那才是一辆英国产的小汽车！