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Thetraditionaldistinctionbetweenproductsthatsatisfyneedsandthosethatsatisfywantsisnolongeradequatetodescribeclassesofproducts．Intoday'sprosperoussocietiesthedistinctionhasbecomeblurredbecausesomanywantshavebeenturnedintoneeds．Awriter,forinstance,canworkwithpaperandpencils．Thesearelegitimateneedsforthetask．Buttheworkcanbedonemorequicklyandefficientlywithawordprocessor．Thusacomputerissoonviewedasaneedratherthanawant.
Inthefieldofmarketing,consumergoodsareclassedaccordingtothewayinwhichtheyarepurchased．Thetwomaincategoriesareconveniencegoodsandshoppinggoods．Twolessertypesarespecialtygoodsandunsoughtgoods．Itmustbeemphasizedthatallofthesetypesarebasedonthewayshoppersthinkaboutproducts,notonthenatureoftheproductsthemselves．Whatisre-gardedasaconvenienceiteminFrance(wine,forexample)maybeaspecialtygoodintheUnitedStates.
Peopledonotspendagreatdealoftimeshoppingforsuchconvenienceitemsasgroceries,newspapers,toothpaste,razorblades,aspirin,andcandy．Thebuyingofconveniencegoodsmaybedoneroutinely,assomefamiliesbuygroceriesonceaweek．Suchregularlypurchaseditemsarecalledstaples．Sometimesconvenienceproductsareboughtonimpulse:someonehasasuddende-sireforanicecreamsundaeonahotday．Ortheymaybepurchasedasemergencyitems.
Shoppinggoodsareitemsforwhichcustomerssearch．Theycompareprices,quality,andstyles,andmayvisitanumberofstoresbeforemakingadecision．Buyinganautomobileisoftendonethisway．Shoppinggoodsfallintotwoclasses:thosethatareperceivedasbasicallythesameandthosethatareregardedasdifferent．Itemsthatarelookeduponasbasicallythesameincludesuchthingsashomeappliances,televisionsets,andautomobiles．Havingdecidedonthemodel
desired,thecustomerisprimarilyinterestedingettingtheitematthemostfavorableprice．Itemsregardedasinherentlydifferentincludeclothing,furniture,anddishes．Quality,style,andfashionwilleithertakeprecedenceoverprice,ortheywillnotmatteratall.
Specialtygoodshavecharacteristicsthatimpelcustomerstomakespecialeffortstofindthem.Pricemaybenoconsiderationatall．Specialtygoodscanincludealmostanykindofproduct．Nor-mally,specialtygoodshaveabrandnameorotherdistinguishingcharacteristics.
Unsoughtgoodsareitemsaconsumerdoesnotnecessarilywantorneedormaynotevenknowabout．Promotionoradvertisingbringssuchgoodstotheconsumer'sattention．TheproductcouldbesomethingnewonthemarketastheSonyWalkmanoncewasoritmaybeafairlystandardser-vice,suchaslifeinsurance,forwhichmostpeoplewillusuallynotbothershopping.
Awordprocessorcanbelookedonassatisfying__________ratherthanifitbe-comestheonlymeanstoanend. A．awant,aneed
B．aneed,awant
C．amachine,atool
D．atool,amachine
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