Ключевые слова: abstract, background, bank, banking, banknote, bill, business, cash, closeup, commerce, concept, concepts, crime, crisis, currency, danger, dark, debt, dependence, economic, economy, exchange, finance, financial, illegal, investment, japan, japanese, japanese yen, japanese yen note, loan, market, money, note, paper, pay, paying, payment, problem, profit, purchase, saving, savings, shopping, wealth, yen,