英文關鍵字
arm
background
business
businessman
busy
clerk
closeup
commerce
communicate
communication
computer
computing
concept
concepts
data
desktop
device
electronics
equipment
finger
gesture
hand
hardware
human
information
input
internet
key
keyboard
keypad
male
man
manager
mufti
muftigesture
occupation
office
people
person
secretary
student
symbol
technology
typeset
typing
web
wireless
work
worker
workplace