Ключевые слова: african american, book, boy, bts, casual clothing, classmate, classroom, college, concentration, desk, education, eyeglasses, high school, indoors, intelligence, knowledge, learn, lecture, lecture hall, lesson, lifestyles, listen, man, multiethnic group, school, school building, school children, schoolboy, schoolgirl, student, study, table, teen, teenage, teenager, textbook, university, young,