african american
boy
caucasian
child
class
classmate
classroom
communication
computer
concentration
desk
desktop pc
developer
development
digital
education
elementary
girl
indoors
information
internet
it
it technology
kid
knowledge
laptop
learn
lesson
modern
online
programmer
pupil
school
schoolboy
schoolgirl
screen
serious
student
study
table
talk
technology
together
typing
use
wireless
定額
Group of young developers talking to each other while learning to use new computer program on computers at lessonの素材 [FY310194595173]
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