androadsshouldbebuiltandwecanspeeduptheflowofbusesandcarsinthisway.Besides,thenumberofbikesandcarsshouldbelimited,whichcanundoubtedlysmooththetrafficflow.What’sequallysignificantisthatthenumberofprivatecarsshouldbeputundercontrol.Meanwhile,busesshouldrunontheirownspecialrouteswhicharenotsupposedtobeusedbyothervehicles.Lastbutnotleast,itisamusttodevelopundergroundtrainquickly.Idohopemysuggestionswillbehelpfulandwelltaken.Yours,Lihua
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