Marginal efficiency of investment
[经] 投资的边际效率
🧩 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
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
Major credit cards are accepted in this supermarket.
这家超市接受大多数的信用卡支付。
Who is the leader of this political party?
谁是这政党的首领？
The guy next to me Wrote his name at the top of the paper.
坐在我旁边的那个人只在试卷顶端写自己的名字。