Nowadaysthecostofanewcarhasfalleninrealtermssothatitisc...
问题详情：Nowadaysthecostofanewcarhasfalleninrealtermssothatitischeaperthanevertoownone,andbetterroadconditionshavealsoattractedmoredrivers.Theresultisovercrowdingontheroadsystem,whichisoneoftheproblems...