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
Then we have to furnish it.
然后我们还得装潢摆设。
Go to bed with the lamb and rise with the lark.
早睡早起。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。