And nothing concentrates the mind like the prospect of being out of work with in two years' time.

没有什么比两年后失业的前景更能集中注意力了。

The possibility of entering into and losing such a match should concentrate the minds of computer scientists.

参加和输掉这样一场比赛的可能性应该引起计算机科学家的注意。

A firm timetable is also intended to concentrate the minds of Afghanistan leaders on the fact they have fairly short period of time to train their own people to take over the job.

已设定期限的时间表也是为了让阿富汗的领导人明白，他们用来培训自己人员来接手工作的时间不多了。