Marginal returns
[经] 边际报酬率
🧩 词语组成解析
marginal
['mɑrdʒɪnl]
adj. 边的，边缘的;旁注的;临界的，最低限度的;收入仅敷支出的;
margin边缘 + al 表示属于...的、具有...性质的、如...的 → a.微小的,不重要的;仅以微弱多数票获胜的;记在页边的
returns
[[ri'tə:nz]]
n. 回报；收益；退货（return的复数）
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
A forest fire has consumed all the trees here.
一场森林大火将此地的树木焚烧殆尽了。
Soon there were many wild horses across the country.
不久，乡间就有了许多野马。