Ключевые слова: 2020, back, background, blackboard, book, bookcase, bookshelf, business, class, classic, collection, concept, desk, educated, education, educational, educator, encyclopedia, group, growth, history, illustration, information, intellectual, jigsaw, knowledge, law, learn, librarian, library, lifestyle, literacy, literary, literature, national, new year, nobody, old, open, paper, pencil, poetry, publication, read, rights, room, shelf, student, study, world,