A man in a bar has a couple of beers,and the bartender(酒吧间招待员)tells him he owes$4.“But I paid,don t you remember?”says the customer.“Okay,”says the bartender,“if you said you paid,you did.”The man then goes outside and tells the first person he sees that the bartender can t keeptrack of whether his customers have paid.The second man then rushes in,orders a beer and lat-er~*pulls the same stunt(耍同样的花招).The barkeep(酒吧招待)replies,“If you say you paid