IthinkthemostimportantmoderninventionistheInternet.WiththeInternet,wecandomanythings.Forexample,wecanshop,learnknowledge,listentomusic,andwatchmoviesonline.TheInternet...

　　时间机器

　　Iwillinventatimemachineintheasit'sbeenmydreaminmylife.Timemachineallowspeopletotravelbackintimetopreventdisastertohappen.ItalsoallowspeopletotavelintodinstantfuturetofindoutsolutionforIncurableillnessincludingcancerandaids.However,thismachinemaybeabusedbypeopletocreatechaosinourworldorevencompletelychangeourhistory.Therfore,securityfeaturesareessentialformyinvention.Thefutureinventionoftimemachinewilldefinatelybringmoreadvantagesforhumanbeing.