英文關鍵字
casual
cell
cellphone
chatting
city
close
communication
computer
conservation
convenient
couple
device
devices
digital
electronic
exterior
female
friends
girl
hand
hands
holding
internet
lifestyle
male
message
mobile
modern
outdoor
people
person
phone
pointing
public
smart
smartphone
society
student
tab
tablet
technology
three
together
touch
touchpad
touchscreen
two
type
typing
use
using
wireless
woman
work
young