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
See you later.
待会见。
No longer pipe, no longer dance.
运不逢时，事不得意。
Let me have a look. Oh, here it is. But it's an old one. Where is my new one?
让我看看，在这里，这是那个旧的，我那件新的哪去了呢？