英文關鍵字
buttons
click
connection
cyberspace
desk
device
electronics
finger
hands
human
information
input
key
keyboard
moving
network
occupation
office
people
person
typing
using
work
working
英文關鍵字
buttons
click
connection
cyberspace
desk
device
electronics
finger
hands
human
information
input
key
keyboard
moving
network
occupation
office
people
person
typing
using
work
working