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
Philip works late. Philip
工作到很晚。
He's the same as always.
他还是老样子。
What is the deadline for submitting the quotation?
报价截止日是哪一天？