Ключевые слова: above, and, background, bill, blank, business, cash, change, check, concepts, consumerism, currency, diner, dining, dinner, directly, dollars, drink, empty, flat, food, green, guest, isolated, lined, lunch, money, nobody, on, order, pad, paper, paying, payment, plate, purchase, receipt, restaurant, service, staff, thank, tip, tray, wait, wealth, white, you,