Ключевые слова: 20s, academic, career, casual clothing, caucasian, child, childhood, class, classmates, classroom, computer, computer monitor, cute, desktop, development, early learning, education, electronic, elementary, elementary school, female, focus shot, gesturing, girl, happiness, indoors, job, keyboard, knowledge, learn, learning, mixedrace, monitor, multi ethnic group, occupation, pc, pointing, preschool, profession, pupil, school, schoolchild, schoolgirl, sitting, smiling, student, study, studying, teacher, teaching, technology, typing, using, woman, young adult,