trafficjamAsthedevelpmentofeconimic,moreandmorevehiclesappearsontheroad,whichleadstoserioustrafficjam.thereasonwhytrafficjamhappeniscomplicated.foronehand,asmoreandmorepeoplegetricher,toomanycarsshowupontheroad.fortheotherhand,eventhoughtthegovernmentattributetonsofmoneytocivilinfrastructure,theredoesn'texistenoughroadsonwhichallowallcartorun.however,thesituationisnotincurable.atfirst,thegovernmentshouldtakemeasurestolimitsomeprivatecars.second,wideningroadisaeffectivewaytosovletheproblem.witheveryone'seffort,trafficjamwilldisappeargradually.本人英语六级已过,绝对人工写作!不容易,