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
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
Sorry, Mr. Wu. I was not here yesterday.
对不起，吴先生。我昨天没有来。