Afun-filled，pain-freelifestyleequalinghappinessactuallyreducestheirchancesofeverobtainingrealhappiness.Asaresult，manypeopleavoidtheveryattemptsthatarethesourceoftruetherealhappinessalwayscontainssomepaintheotherhand，truehappinesshasnothingtodowithfun.Allthosewhoalwayshavesomuchfunactuallymaynotbehappyatall.
Ihaveabitterexperience.WhenIwasachild，Ilivedapoorlife，andIhadahappyandmeaningfullifeinmychildhood.Andmyparentswerealwaysrespectingeachother.Andnowwehavesomemoney，andourlifehasimprovedalot.Totellthetruth，itisagoodthing.Unfortunately，Myfatheralwaysgoesoutandtakespartinthegamblingactivities.Andmymothersometimesquarrelswithmyfather.Iamextremelyunhappyaboutit.Ithinkmoneydoesn'tequalhappiness.Andpain-freelifestylealsodoesn'tequalhappiness.Therealhappinessisthateveryoneloveseachother，anddoeseverythingusefulforoursociety.Mostofmyclassmatessupportme.Butsomeofthemthinkmoneyiseverything.Inmyopinion，wecan'tdothingswithoutmoney.Butmoneycan'ttaketheplaceofeverything，suchasyourlife，yourtimeandyourhappiness.
Almosteveryoneknowsthatwatercoversthree-fourthsoftheearth'ssurface.Mostofit，however，isintheoceansandistoosaltytodrink.Also，someofitisfrozenandcannotbeused.Infact，lessthanonepercentisleftfortheuseofpeople，animalsandplantlife.Allthroughhistorymenhavetriedtobuildtheirhomesnearthesourcesoffreshwater.Nowfreshwaterisbecomingscarce，butmoreandmoreisneededbecauseoftheincreasingnumberofpeopleintheworld.Someindustriesalsouselargeamountsoffreshwaterintheproductionofthingssuchassteel，petroleum，paperandrubberandsontistsestimatethattheneedforfreshwaterwillhavedoubledbytheyear20xx.Iftheyarecorrect，wemustfindnewwaysofsavingitorproducingnationshaveworkedontheproblemandarealreadysharingtheirinformationwithothers.Theyaretryingtokeeptheirriversfrombecomingpolluted.Deepwellsarealsobeingdug，andrainwaterisbeingcollectedinhugeartificiallakes.Inonewayoranother，theyhopetoprovideenoughwatertosatisfytheneedsoftheirpeople.