英文關鍵字
business
businessman
calling
calls
caucasian
communication
conference
customer
discussion
east
employed
employment
ethnicity
fun
guest
happiness
happy
headset
intelligence
isolated
male
man
manager
men
mobile
nature
north
occupation
office
person
phone
professional
sing
smile
success
suit
support
talk
talking
teamwork
technology
teeth
telephone
white
worker
working