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'd like to talk with you about something troublesome.
我想同你谈点麻烦事。
That's just what I was thinking.
我就是这么想的。
Have you got a penfriend?
你有笔友吗？