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
Miss Chen is not in right now. She went shopping.
陈小姐现在不在，她去买东西了。
What is the style of furture?
这是什么样式的家具？
so he must stay in bed for a week.
因此他必须卧床一周。