Decreasing marginal cost
[经] 递减边际成本
🧩 词语组成解析
decreasing
[di'kri:siŋ]
adj. 减少的，渐减的;
v. （使）缩短，减小，减少( decrease的现在分词 );
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
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
Thank my son Robbie.
谢我儿子Robbie吧。
Through his experiences during those six years.
在这六年中。
that the traveller abroad thereby denies himself the opportunity of getting to know the people of the country visited.
说这种封闭的作法使到国外旅游者失去了了解所去国家人民的机会。