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
Thanks a lot for having us.
真感谢你邀请我们来。
Various rumors about him are going around.
到底流传着关于他的种种流言蜚语。
What happened before printing was invented?
印刷术发明以前是怎么一回事？