Obstructer

It's still raining. I want to play tennis.

仍然在下雨。我想打网球。

To answer the first part of your question, I'd like to say that our studies were very extensive.

你问题的第一部分，我要说的就是我们的研究非常广泛。

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。