Ключевые слова: activity, adult, african, american, appearance, book, bookshelves, class, college, culture, education, emotions, exam, exhausted, expression, indoors, information, intelligence, interior, laptop, learning, leisure, library, lifestyle, literature, male, man, occupation, overwork, people, portrait, preparation, problem, public, reader, reading, researching, science, solving, stressed, student, study, textbook, thoughtful, tired, training, unhappy, university, upset, worry,