英文關鍵字
four
people
teenager
girl
female
black
caucasian
child
boy
male
mixedrace
animation
networks
diverse
schoolboys
electronic
equipment
class
technology
education
learning
connection
communication
digitally
generated
video
happy
school
boys
students
devices
gadgets
classroom
studying
teamwork
collaboration
knowledge
understanding
innovation
network
diversity
classmates
friends