Birching

Building a city can be a disaster for the environment.

新建一个城市对于环境来说可能是一场灾难。

I'm always confused with s and th.

我常把s和th搞混。

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。