The bartender is no fool!

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,