Ключевые слова: activity, american, background, bank, banknote, bill, building, business, cash, concepts, consistency, constancy, currency, debt, dollar, durability, estate, finance, hardness, home, house, hundred, insurance, investment, isolated, loan, money, paper, paying, permanence, permanency, persistence, rate, rent, rental, roof, safety, sale, savings, set, solidity, stability, strength, success, tax, toughness, toy, wealth, white,