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
Hey, I wanted you to hear my new sound system
嘿，我正想让你听听我的新音响。
Art is long, life is short.
艺术恒久，生命短暂。
We'll wait and see what they say.
看看他们怎么说吧。