Marginal principle
[经] 边际原理
🧩 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
My parents expect nothing but high marks.
我父母就希望我考高分。
Not your business.
要你管！
One day, he went to an exclusive shop in London and asked for 'Myrolite', the shop assistant looked puzzled and Harry repeated the word, slowly stressing each syllable.
一天，他去伦敦一家高级商店要买一种叫“密诺莱特”的东西，店员露出诧异的神色。哈里又慢慢地，一字一顿说了一遍这个词，