Ключевые слова: agent, background, broker, business, buy, buyer, concept, cost, credit, currency, decrease, default, design, development, discount, exchange, finance, growth, idea, income, increase, interest, investment, loan, lock, marketing, model, money, move, new, object, own, owner, payment, present, property, rate, real estate, salary, sale, savings, security, sell, seller, small, symbol, tax, wooden, yellow,