Ключевые слова: background, book, bookcase, bookshelf, cabinet, campus, class, college, concept, design, document, education, educational, exams, eyeglasses, glasses, glossary, high school, indoor, interior, knowledge, learning, library, literature, notations, open, page, paper, read, reference, research, school, science, student, study, studying, table, textbook, texture, university,