Ключевые слова: achieve, action, background, banknotes, bar, bills, bonus, business, cafe, cafeteria, clients, commission, concept, conceptual, customers, dollar, duty, earnings, economics, economy, finances, financial, financing, gratuity, help, helpful, ideas, income, money, notes, occupation, paying, payment, people, plan, service, services, share, sign, success, symbol, text, tip, tips, us, useful, view, wealth, word, work,