英文關鍵字
abstract
advanced
background
board
business
button
choice
circuit
computer
concept
digital
display
energy
finger
future
futuristic
hand
hitech
icon
idea
interface
key
keyboard
keypad
metaphor
modern
off
palm
power
press
push
screen
select
sign
single
solution
start
stop
success
switch
symbol
system
tech
technology
touch
transparent
turn
user
virtual