摘 要: | OnedayJohnBobSmithandMarywenttoashoptobuyradios.TheywereshownfourmodelsaRedBannerwhichcost60dollarsaRedWaveswhichcost70dollarsaRedStarwhichcost40dollarsaRedVoicewhichcost30dollarsEachpersonboughtadifferentmodel.Afterthattheytalkedtoeachother.“Ihadonly50dollarswithme,”saidJohn.“MyradioismoreexpensivethanMarry’s”saidthepersonwhoboughttheRedWaves.“I’vegotthecheapest”somebodysaidtoJohn.“I’mgladIdidn’tbuytheRedVoice”saidMary.“Mineislessexpensivethanyours”saidBobtoSmith.Now…
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