Nowadays,withtheincreaseoftheprivatecars,thetrafficjamandtheairpollutionaremoreandmoreserious.Ithasbecomeacommoncorcern.Asforme,Ialsothinkitisnecessarytotakesomeimmediatemeasurestosolvetheproblem.Thereareseveralthingsthegovernmentshoulddo.First,peoplearesupposedtodependlessontheprivatecarsandgooutbythepublicvichels.Second,peopleshouldberequiredtodrivetheirowncarsbythelastnumberofthecarnumbers.Third,thegovernmentshoulddevelopthepublictransportionsothatpeoplewouldliketousetheircarsless.(时间限制,字数不够的话可以追加提问)
在third那一句前加Ifthenumberofcarsoutislimited,itwillbeaeffictivewaytodevelopthesituation.最后加一句Onlyeverybodyputhimselfintheprojectcanwesolvetheproblemintheroot.