That's a little bit more likely
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送交者: eddie 于 2007-09-26, 13:28:40:
回答: 或者应该说同等学历的中美平均水平比较 由 ping_max 于 2007-09-26, 13:11:42:
But still, it's much much easier to sample an average in Alabama or Mississippi than to sample an average in GuiZhou or QingHai. I am not sure if it was ever done in GuiZhou or QingHai, not to mention Tibet.
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