Ключевые слова: 1, 2, accountant, accounting, bill, billing, bills, budget, business, businessperson, calculating, caucasian, cellphone, city, computer, convertible, digital, e, electronic, hand, hybrid, invoice, laptop, male, man, manage, management, men, mobile, office, one, online, phone, screen, smart, smartphone, software, statement, statements, tablet, technology, wireless, young,