Ключевые слова: adult, background, biracial, book, bookshelf, bookstore, college, copy, copy space, education, hand, holding, knowledge, learn, learning, leisure, leisure time, library, literature, male, man, mid adult, multiracial, one person, page, paper, people, person, pink, pink background, read, reading, school, space, student, study, studying, textbook, time, university, wisdom,