Marginal efficiency of capital

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

efficiency [ɪ'fɪʃənsi]

n. 效率，效能;实力，能力;[物]性能;功效;

ef出+fic做+iency表名词 →做出事情→ 有效率

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];

capital ['kæpɪtl]

n. 首都;资本;资源;大写字母; adj. 极好的;死刑的;资本的;首都的;

capit头+al...的→头的→首要的；首都；资本

I made another lunch date for today

我和别人约好共进午餐，，

There may be different ways of doing business.

有很多不同的方式。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。