Ключевые слова: abbreviation, advertisement, advertising, background, bonus, business, buy, charge, commerce, company, complete, corporate, cost, customer, deal, delivery, demo, design, discount, due, element, finance, foc, free, gift, gratis, green, guarantee, letter, marketing, no, of, offer, payment, present, price, product, promotion, purchase, sale, sample, sell, service, shop, shopping, special, tester, trial, without, word,