Ключевые слова: adult, bill, buy, buyer, buying, cash register, cashier, caucasian, choosing, commerce, consumer, consumerism, counting, customer, european, eyeglasses, female, food, grocery, grocery store, indoors, looking at each other, male, man, market, merchandise, middle aged, pay desk, paying, people, product, retail, shop, shopper, shopping, smiling, standing, store, supermarket, talking, using, variety, woman, working, young,