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
Dad.
爸爸。
You'll hurt your thumb, if you don't take care.
你不专心的话，就会伤到你的拇指。
I'd like to see it.
我想看看。