Render useless

render ['rɛndɚ]

v. 使成为;递交;给予;表达;

rend给+er表动词 →使成为；给予

useless ['jusləs]

adj. 无用的，无效的;无价值的;差劲的;不怎么样的;

use用+less无...的 →无用的

I wonder what the problem is.

我不知道发生了什么问题。

The plate is dirty, Would you bring me a clean one, please?

这碟子是脏的，请你拿个干净的给我。

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。