英文關鍵字
adult
african
attractive
building
business
campus
casual
college
computer
day
digital
discussing
education
female
floor
friends
girl
group
learning
male
man
meeting
modern
multiethnic
people
person
project
room
school
screen
students
studies
study
studying
tablet
talking
team
teamwork
technology
together
touch
touchscreen
university
view
woman
work
working
young