Ключевые слова: account, application, asian, bank, banking, bill, business, buy, buying, calculator, close up, commerce, concept, convenient, credit, depth, device, document, exchange, finance, financial, hand, holding, information, internet, invoice, loan, mobile, mobile app, money, online, ordering, paying, payment, pen, product, purchase, receipt, sale, service, shopping, smart phone, statement, store, technology, transaction, transfer, using,