Ключевые слова: black, black keyboard, buy, china, clear, commerce, computer, concept, confirm, confirm key, cost, creative, currency symbol, digital, economy, electronic money, expenditure, expense, fast rhythm, finance, gules, high definition, information, interior, internet, key, keyboard, laptop, life, means of payment, online payment, online shopping, overlooking, paid, photo, renminbi, science and technology, settlement, settlement means, shopping, spend money, spending, still life, symbol, the sale of,