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
Of course.
当然可以。
Better are small fish than an empty dish.
有胜于无。
There isn't any water in the bottle.
瓶子里一点水也没有。