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
She cares.
她关心"。
Nothing comes amiss to a hungry man.
饥不择食。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。