Ключевые слова: 50, bank, banking, bills, british, business, buying, cash, close, colours, currency, economics, english, estate, exchange, fifty, figures, finance, financial, invest, investment, lots, marketing, monetary, money, note, notes, numbers, pattern, pay, pay off, payment, pound, pounds, profits, repayment, rich, sales, savings, selling, spend, sterling, stuffed, the, trade, uk,