Theproblemofglobalwarminghascausedalotofpeopletotryt...
问题详情: Theproblemofglobalwarminghascausedalotofpeopletotrytheirbesttoprotecttheenvironment.Unluckily,therearestillmanypeoplewhothinkitishardtogogreen.Infact,itisveryeasytobegreeninourdailylife....