英文關鍵字
associate
attending
audience
auditorium
business
businesswoman
busy
caucasian
cellphone
classroom
colleague
company
conference
corporate
education
entrepreneur
event
hand
indoors
information
learning
lecture
listening
man
meeting
mobile
notepad
office
paper
pen
people
phone
presentation
professional
room
seminar
sitting
smartphone
smiling
strategy
student
team
training
university
using
woman
work
working
writing