So of course some families will consume more than that, some will consume less, so there will be some mobility in the distribution, but on average, they only need to reinvest one fifth, so this allows high wealth inequalities to be sustained.
当然有些家庭消费多些， 有些则少些， 这样分配就有了流动性， 平均来说，他们只需要 五分之一财富由于再投资 这会导致财富不平等的持续。