Efficiency of operations
[经] 经营效率, 工作效率, 营业效率
🧩 词语组成解析
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];
n. 运作；运营；业务操作（operation的复数）
🗣️ 情景例句
Do you have anything that must be claimed?
难道你没需要申报的东西吗？
Mr. President, ladies and gentlemen, and all the distinguished guests.
主席先生，女生们先生们，各位贵宾们。
Mathilde! Oh yes. Sorry, I didn't recognize you. Where have you been all these years, Mathilde? I hope you weren't ill. You don't look very well.
玛蒂尔德！真的是你呀！对不起，我没有认出你来。这些年你上哪儿去了，玛蒂尔德？我想你没有病吧，你的脸色看来不太好。