英文關鍵字
adult
background
business
businessman
choosing
closeup
communication
computer
concepts
connection
device
digital
display
equipment
females
finger
graphical
hand
holding
human
information
interface
internet
lifestyles
media
medium
messaging
mobile
modern
move
multimedia
net
networking
object
office
one
online
only
people
person
phone
portability
portable
reading
screen
searching
single
smart
social
surfing
technology
telecommunications
telephone
text
the
things
touch
typing
user
using
wireless
woman
working
young