median down, average up

回答: 家庭收入连续4年下降。Chris201192012-09-17 12:25:21

meaning income gap becomse wider......

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How do you know average is up? -Chris20119- 给 Chris20119 发送悄悄话 (64 bytes) () 09/17/2012 postreply 12:39:15

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