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
Well, thank you, Robbie. Thank you.
嗯 ，谢谢你 ，Robbie。 谢谢你。
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
who put his questions to nature instead of to the ancients,
他向自然界而不是向古人提出问题，