Marginal revenue
[经] 边际收入
🧩 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
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
His cake is three times bigger than mine.
他的蛋糕比我的大三倍。