Efficiency cost
[经] 效率成本
🧩 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
Are you kidding?
你在开玩笑吗？
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？
Many people pretend that they understand modern art.
有很多人装成很懂现代艺术的样子，