- 问题详情:36Whenapersondoesacertainthingagain,heisimpelled(迫使)bysomeunseenforcetodothesamethingrepeatedly;thusahabitisformed.Onceahabitisformed,itisdifficult,andsometimesimpossible,togetridofit.37Childrenoftenformbadhabits,someofwhichremainwiththemas...
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