Ключевые слова: 40s, academic, black, boy, career, caucasian, child, childhood, class, classmates, classroom, cute, development, early learning, earth, education, elementary, elementary school, female, girl, globe, international, job, knowledge, learn, learning, lesson, male, map, mature adult, occupation, planet, preschool, profession, pupil, school, schoolchild, studying, teacher, teaching, whiteboard, woman, world,