送交者: xj 于 2005-4-12, 18:25:07:
回答: most are heirs, if you are talking about the super-rich. 由 mangolasi 于 2005-4-12, 18:16:46:
stated in american class by paul Fussell and supported by current research.
I agree that the social mobility in the US is worse than before, those poor remains poor, while the rich becomes richer.