Withtimegoingby,computershavebeenmoreandmoreimportantinourdailylife.Itcanbringusalotofconvenience.WecansurftheInternettokeepupwiththetimes,meetingnewfriends,communicatewithourrelativesandrelaxourselves.

　　But,ofcourse,usingittoooftencancauseussomeharm.Forexample,spengdingmuchtimeonitcanharmoureyesanddamageoureyesight.Moreover,ifwedependoncomputerstoomuch,we'llfindourmemorydecliningrapidly.Finally,ifyousurfonlinealot,youmaylosetheabilitytomakefriendsinreality.

　　Sowhatcanwedo?That'seasy.Weonlyneedtolimitourtimespentoncomputers,andwhenweareusingit,paymoreattetiontoprotectingourpreciouseyes.