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
Where is your family from?
祖籍在哪里？
Don't forget to buy it for him.
不要忘记买给他。
and rushing passionately past boulders and over waterfalls.
接着热情奔放地冲过巨石，飞下瀑布。