Cost of operation
[化] 管理费\\n[经] 营业成本, 运转成本
🧩 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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I admire him for his success in business.
我佩服他事业有成。
I'm swimming at the lake.
我在湖边游泳。
'Can I return these two tickets?' he asked.
“我可以退掉这两张票吗？”他问。