modernsociallifegreatlyshortened,individualswithmorethan10yearsstudyofknowledge,willsoonbecomeobsolete.Ifnolongerstudyupdate,immediatelyenteredtheso-called"half-lifeknowledge."Accordingtostatistics,intoday'sworld90%oftheknowledgegeneratedinthelast30years,thehalf-lifeofknowledgeonlyfivetosevenyears.Moreover,theabilityofpeoplelikebatteries,useovertimeandgraduallylost.Therefore,theneedtokeeptheknowledgeofthepeople"refueling","charge."Incontemporarytimes,theworldhasseenrapiddevelopment,thespeedofupdatingknowledgeisaccelerating,peoplehavetoadapttoachangingworld,wemuststrivetoliveandlearn,tohavelife-longlearningattitude.Totheelderlyasanexample,havetolearnhowtousethewashingmachines,microwaveovensorevencomputers,ortechnologycannotenjoythefunandconvenient.Lifelonglearningthisregard,Mr.LuXunisanexample,beforedying,inonehourisstillwritingthearticle!ThereareChineserichestmanLiKa-shing,hisstudyeverynighttoreadthisgoodhabithasinsistedforseveraldecades.Whatismore,only"liveandlearntheold"stillfarfromenough,BillGatessaidonthesentence:inthe21stcentury,thannotlearning,butlearningspeed.Intoday'sbusinessenvironment,thereisnofightwithoutdestroyingtheironricebowl.Yourworktodaymaybeindispensable