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
She's been having a fling.
她曾经风流放纵过。
Who will comply with the unjust laws?
谁要遵守不正确的法律呢？
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。