JX
Wednesday, June 29, 2011
美中产阶级的标准公布 家庭年收入五万 Top百分之几
据美国人口局最近的报告(原文链接,2009年数据),美国家庭年收入的中值是$50221(税前),具体的家庭年收入层次是:
最低10%:$12,000
最低20%:$20,000
半数:$50,000
最高20%:$100,000
最高10%:$138,000
最高5%:$180,000
美国家庭平均人数是2.6人。四人家庭收入要$76,900才能达到中产。
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5 best know learned lessons from Andy Grove
LESSON 1: Where you come from is not nearly as important as where you are going. LESSON 2: Take risks: if you win, you will be happy; if yo...
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山有起伏,方显其高。人有起伏,方砺其志。一时得失,你不必放在心上,无论输赢,用心去做的人,总会比别人得到的更多。
BOOKS ON THE INTERNATIONAL PHYSICS OLYMPIADS
1. Nicolaus Vermes, International Physics Competitions 1967 - 1977, Roland Eotvos Physical Society, Budapest 1978, (first edition in H...