Operational cost
[化] 操作费; 操作费用\\n[经] 经营成本, 营业成本
🧩 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
Please accept my apology for not neeting you for lunch Tuesday.
我很抱歉，星期二没有与你一起共进午餐。
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
On Saturday, Ann came home from school a little earlier.
星期六，安放学后提早了点回家。