英文關鍵字
20s
academic
adolescence
american
campus
chatting
college
communication
computer
concept
conversation
cooperation
digital
down
friends
friendship
gesturing
group
hispanic
job
laptop
learning
man
mixed
modern
networking
online
real
screen
shot
sitting
slow
smart
smiling
student
tablet
talk
talking
team
technology
together
togetherness
touchscreen
typing
university
using