Ключевые слова: adult, asian, back, background, beautiful, black, blackboard, blank, board, chalk, chalkboard, cheerful, child, childhood, chinese, class, classroom, communication, computer, copy, couple, education, female, girl, group, hand, internet, japanese, kid, kids, laptop, learning, little, living, looking, man, night, one, online, people, relax, room, school, search, seek, tablet, teacher, technology, television, web,