Aroundme,Icanseelotsofchangeshavehappenedinmylife.Inrecentyears,moreandmorepeoplearebecomingricherandricherwiththedevelopmentofChinaeconomy.Firstofall,PeopleinChinacanaffordthecarsandtherearemoreandmorecarsinthestreetsnow.Buttheproblemoftrafficappears,suchastrafficaccidents,airpollutionandsoon.Secondly,moreandmorepeoplebegintoenjoythesurfingintheinternet.Notonlytheyoungpeoplebutalsothemiddleagedandtheoldonesareinterestedinthenetsurfing.Butsomeofthemaretoocrazyaboutthevideogamesandchatonline.Itisnotgoodfortheirworkandstudy,especiallyfortheirhealth.Greatchangesnotonlybringushappiness,butalsobringussomethingbad.