英文關鍵字
black
man
telemarketing
web
happy
office
phone
smile
working
call
work
worker
customer
support
employee
contact
communication
networking
consultation
crm
business
young
smiling
businessman
technology
person
desk
talking
guy
online
professional
service
job
headset
happiness
help
successful
workplace
staff
paperwork
consulting
agent
career
strategy
consultant