Ключевые слова: abstract, autumn, back, background, book, books, brown, business, college, copy, day, education, environment, fanned, forest, grass, green, information, knowledge, learn, leisure, library, literature, loop, nature, new, open, outdoor, outdoors, page, paper, paperwork, pile, read, school, science, space, stack, study, summer, table, text, textbook, toy, university, white, wisdom, wood, wooden,