Marginal revenue curve

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

revenue ['rɛvənu]

n. 财政收入;税收收入;收益;

re回+venue来→回来的东西→收入

curve [kɝv]

n. 弧线，曲线;曲线状物;弯曲物;[棒]曲线板; vt. 使弯曲;使成曲线;使成弧形; vi. 弯曲;弯成曲线，弯成弧形;沿曲线行进; adj. 弯曲的;曲线形的;

he could help you find a real good job in Los Angeles.

他能够帮你在Los Angeles找个很好的工作。

I wrote 9 books.

我写了九本书。

I think it is important to understand the relations between parents and their children. They spend time, energy and money in bringing up children and providing them with what they need. Then, as with young birds, the time comes for the young to leave. As

我认为父母和孩子们之间的相互理解是很重要的。父母花费时间、精力和金钱带大孩子们，给他们提供所需的一切。然后，年轻人就像小鸟飞离家一样离开了家。正如我们所说，所轻人长大飞走的一天是必然会到来的。尽管这时父母会感到难过，但是他们感情用事是不对的。