VOA慢速英语:俄克拉荷马州餐厅顾客为他人买单

receipt –n. a piece of paper on which the things that you buy or the services that you pay for are listed with the total amount paid and the prices for each

amazing –adj. causing great surprise or wonder

casino–n. a building or room that has games (such as roulette or blackjack) for gambling