It will take a few years for the region to recover economically.
这个地区的经济恢复得花几年的时间。
You cannot break the contract without any good reason.
如果没有什么正当理由,你们不应撕毁合同。
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