befriendlytotheenvironment2.begoodforhealth3.relievethebusytraffic4.anewcityscenery

Nowadays,it'simportantforustolivethelow-carbonlife.Thefirstthingwecandoistoridethebikes.Becausefirst,bikesarecheaperthancars.Second,it'seasytofindtheplacetoparkbikes.Third,theoilisnotnecessaryforbikes,sobikeswon'tproducethedirtyair.Finally,wecanridebikestokeepfit.Let'sridethebikesinsteadofcarstoprotecttheenvironment!