英文關鍵字
active
african
afroamerican
american
background
black
boss
business
businessman
bye
cheerful
close
closeup
communicate
communicating
communication
day
emotion
executive
formal
gesture
goodbye
greeting
hand
handsome
happy
hello
hi
isolated
job
looking
male
man
manager
meet
meeting
office
person
positive
professional
sign
smile
smiling
suit
up
waving
work
worker
yellow