英语翻译Asamediumofexchange,moneypermitstheseparationofexchangeintothetwodis¬tinctactsofbuyingandselling,withoutrequiringthesellertopurchasegoodsfromtheper¬sonwhobuyshisproducts,orviceversa（反之亦然

　　英语翻译

　　Asamediumofexchange,moneypermitstheseparationofexchangeintothetwodis¬tinctactsofbuyingandselling,withoutrequiringthesellertopurchasegoodsfromtheper¬sonwhobuyshisproducts,orviceversa（反之亦然）.Hence,producerswhoknowtheywillbepaidinmoney,canconcentrateonfindingthemostsuitableoutletfortheirgoods,whilebuyerswhowillpayinmoney,canconcentrateonfindingcheapestmarketforthethingstheywishtopurchase.Specialization,whichisvitaltoanadvancedeconomy,isencouraged,becausepeoplewhoseoutputisnotacompleteproductbutonlyapartofoneinwhichmanyothersareinvolvedcanbepaidanamountequivalenttotheirshareoftheproduct.

　　Anotheradvantageofmoneyisthatitisameasureofvalue—thatis,itservesasaunitintermsofwhichtherelativevaluesofdifferentproductscanbeexpressed.Inabarterecon¬omy（物物交换经济）itwouldbenecessarytodeterminehowmanyplateswereworthonehundredweightofcotton,orhowmanypensshouldbeexchangedforatonofcoal,whichwouldbeadifficultandtime-consumingtask.Theprocessofestablishingrelativevalueswouldhavetobeunder¬takenforeveryactofexchange,accordingtowhatproductswerebeingofferedagainstoneanother,andaccordingtothetwoparties'desiresandpreferences.IfIamtryingtobarterfishforbananas,forexample,alotwoulddependonwhetherthepersonwillingtoexchangebananasisorisnotkeenonfish.

　　Thirdly,moneyactsasastoreofwealth.Itisdifficulttoimagesavingunderabartersystem.Nooneengagedononlyonestageinthemanufactureofaproductcouldsavepartofhisoutput,sincehewouldbeproducingnothingcomplete.Evenwhenapersonactuallypro¬ducedacompleteproductthedifficultieswouldbeoverwhelming.Mostproductsdeterioratefairlyrapidly,eitherphysicallyorinvalue,asaresultoflongstorage;evenifstoragewerepossible,thepracticeofstoringproductsforyearsonwouldinvolveobviousdisadvantages—imagineacoal-minerattemptingtosaveenoughcoal,whichofcourseishisproduct,tokeephimforlife.Ifwealthcouldnotbesaved,oronlywithgreatdifficulty,futureneedscouldnotbeprovidedfor,orcapitalaccumulatedtoraiseproductivity.