But such fast trains would take a long time to put in place in the United States.
VOA: special.2011.02.11
Said a different way, in the case of the straight-line programs, how long would it take to run a program?
换种说法,在直线式程序里面,运行一个程序要多长时间?
You're asked to take a long walk in the park with your parents. And you're just saying,
你还得陪父母到公园里散步。你这时会感慨道,
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