Principal plane

principal ['prɪnsəpl]

adj. 最重要的;主要的;资本的;本金的; n. 首长，负责人;主要演员，主角;[法]委托人，当事人;本金;

prin主要的+cip拿，抓，握住+al形容词后缀 → 主要的；首要的

plane [plen]

n. 水平;平面;飞机;木工刨; adj. 平的，平坦的; vt. 用刨刨平;小船等擦着水面疾驶; vi. 鸟滑翔;

plain, plan 表”平的,光滑的”

It is great.

的确是太好了。

Ok, bye-bye.

好吧，再见。

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。