- 问题详情:Habits,whethergoodorbad,aregraduallyformed.Whenapersondoesacertainthingagain,heisdrivenbysomeunseenforcetodothesamethingrepeatedly,thenahabitisformed.Onceahabitisformed,itisdifficult,andsometimesimpossible,togetridof.Itisthereforeveryimportan...
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