英文關鍵字
and
assistant
business
businessman
close
communication
communications
computer
concepts
contemporary
crystal
data
digital
display
equipment
finger
global
hand
holding
human
ideas
key
keyboard
keypad
lifestyles
liquid
message
messaging
mobile
object
one
people
person
personal
phone
screen
single
smart
tablet
technology
telecommunications
telephone
text
touch
touchscreen
typing
wireless