英文關鍵字
medium
group
of
people
child
girl
female
mixedrace
boy
male
black
caucasian
young
adult
woman
animation
chart
processing
diverse
teacher
recycling
playground
data
digitally
generated
interface
education
ecology
school
communication
video
digital
montage
information
internet
computer
network
graph
student
study
technology
connection
learning
world
global
knowledge
web
university