Theairplaneisquick,buttheexpenseisbig,suitslong-distance, 　　thetrainisconvenient,theexpenseisappropriate,takesalso(sleepingberth)comfortably,suitslong-distance; 　　Thepublictransportationischeap,butmakesalongjourneynotsuitably.Theexpenseislow. 　　Moreoverconsideredfromthesecuritythat,thetrainsafetycoefficientcomparesotherhigh. 　　Wecanbeseeneverywherebus.Thebusandusandadvantages,anddisadvantages. 　　Thebusisverycheap.Ifwearegoingtowalkcan'treach,andfarawayplaces,weusuallychoosegobybus.Becauseitisthecheapest.Thesubway,ataxiwillbemoreexpensivethanthebus.Havethetaxistartpricewesitforseveraldaysofenoughbuses.Inaddition,fromtheperspectiveofenvironmentalprotection,thebusisenvironmentalprotectionoftransportation.Busthanaprivatecars.ThemanyenvironmentalprotectionSotheadministrationproposedusmorethanthebestsidelinebybus.Thisisallforenvironmentalprotectionaforce. 　　Buttherearemanyshortcomings.BusIt'ssmallload.Soonabusduringtherushperiodoftime,oftencrowded.Inaddition,thebusseatisnotverycomfortable.Thebusspeedisnotsoon,andaccordingtoacertainline,suchasadrivingaccident,can'tgoaround.Thebusonlyinaprescribedperioddoes.Sooftenweneedtowaitforthebus.Sometimesit'sawasteoftime. 　　Thebusforusbothadvantagesanddisadvantages.Soweneedtododifferentaccordingtodifferentchoice.