Efficiency of investment
[经] 投资效率
🧩 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];
🗣️ 情景例句
Well begun, half done.
良好的开始，就是成功了一半。
Jadge not a book by its cover.
人不可貌相。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。