Return of investment
[经] 投资利润, 投资报酬
🧩 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
I am sure. So, we'll be expecting the first shipment in less than a month.
那当然。我们都希望第一批货在一个月之内可以装船。
That man is a teacher,isn't he?
那个人是位教员，对不对？
It was mailed last week.
上个礼拜我们还没收到。