- 问题详情:Inhis1930essay“EconomicPossibilitiesforOurGrandchildren”,JohnKeynes,afamouseconomist,wrotethathumanneedsfallintotwoclasses:absoluteneeds,whichareindependentofwhatothershave,andrelativeneeds,whichmakeusfeelsuperiortoourfellows.Hethoughtthata...
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