时间： 　　Thevalueoftime 　　Aproverbsays,"Timeismoney."Butinmyopinion,timeisevenmorepreciousthanmoney.Why?Becausewhenmoneyisspent,wecanearnitback.However,whentimeisgone,itwillneverreturn.Thisisthereasonwhywemustvaluetime. 　　Itgoeswithoutsayingthatthetimeforourstudyandworkisunusuallylimited.Hence,evenanhourisextremelyprecious.Weshouldmakefulluseofourtimetodousefulthings.Asastudent,Imustmakeeffortstoengageinmystudysoastoserveournationandpeopleinthefuture.Butitisapitythatthere.arealotofpeoplewhodonotknowtheimportanceoftime.Theydonotrealizethatwastingtimeisequaltowastingapartoftheirvaluablelife. 　　Inaword,weshouldformthegoodhabitofsavingtime.Donotputoffwhatcanbedonetodaytilltomorrow.Lazinesswillnotonlybringusfailurebutalsoleadustotheroadofpoverty. 　　金钱： 　　Canmoneybuyhappiness?Variouspeoplehavevariousanswers.Somepeoplethinkthatmoneyisthesourceofhappiness.Withmoney,onecanbuywhateverheenjoys.Withmoney,onecandowhateverhelikes.So,intheirminds,moneycanbringcomfort,security,andsoon.Money,astheythink,isthesourceofhappiness. 　　Buttherearestillalotofotherswhothinkthatmoneyistherootofallevil.Moneydrivespeopletosteal,torob,andtobreakthelaw.Alotofpeoplebecamecriminalsjustbecausetheywereinsearchofmoney.AndintheWesterncountries,thereisnothingthatcan’tbeboughtbymoney.Manypeoplelosetheirownliveswhenhuntingit. 　　Ithinkthatmoneyisessentialtolifeandwecannotdowithoutmoney.Buteventhoughmoneyisnecessarytolife,itcan’tbuyhappiness.Happinessisnotsomethingthatcanbemeasuredbymoney.Itisastateofmind.Onecanhaveplentyofmoney,withwhichhecanbuywhateverhewants,andatthesametimeheisnothappybecauseheisneversatisfiedorheistroubledbyvariouskindsofproblems.Therefore,althoughmoneyisnecessaryforahappylife,itcan’tbuyhappiness.