Ключевые слова: 233, advertisement, bestseller, blackout, book, bookshop, bookstore, bookworm, bulb, business, businessman, collage, development, diary, ebook, education, elearn, electricity, ereader, freelancer, gearwheel, guy, hobby, homework, idea, internet, knowledge, learn, library, light, literature, male, man, manager, novel, online, plan, power, read, reader, serious, shopping, student, study, success, tablet, university, work, worker, young,