to go fifty-fifty 各让一步
Each year an estimated two hundred fifty thousand to half a million children go blind from vitamin A deficiency.
VOA: special.2011.03.01
But if you have neither," it said, "and can get fifty dollars, then go to Colorado."
VOA: special.2009.05.28
Who in nineteen fifty-six would get on an airplane and go to Burma?
VOA: special.2010.06.21
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