英文關鍵字
african
american
building
business
busy
caucasian
classroom
colleague
college
concept
conference
cooperation
design
desk
diverse
diversity
education
employee
entrepreneur
ethnic
event
female
front
group
happy
interior
international
learning
lifestyle
looking
male
man
meeting
mixed
multiethnic
office
people
race
room
sitting
smile
smiling
students
study
studying
table
team
teamwork
together
training
university
woman
women
work
young