Positive integer

positive ['pɑzətɪv]

adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的; n. 正面;正片;[语]原级形容词;[数]正量;

posit肯定+ive形容词后缀 → 肯定的；积极的

integer ['intidʒə]

n. 整数;

This is as useful as screen door on a submarine.

这毫无用处。

I don't think she cares about what happens to her children.

我认为他并不关心她孩子的事。

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。