Ключевые слова: abstract, advocacy, advocate, background, blackboard, book, business, class, collection, college, concept, cover, document, educate, education, educational, elementary, group, icon, idea, information, justice, knowledge, law, lawyer, learn, lesson, library, literature, old, page, paper, pile, read, research, school, science, student, study, success, symbol, teach, text, textbook, think, tower, training, university, vintage, white,