英文關鍵字
browse
building
cell
cellphone
cellular
chat
click
communication
connect
connecting
connection
contact
conversation
device
digital
display
fingers
free
fun
gadget
game
gesture
hands
looking
male
man
message
net
network
online
personal
reading
screen
scrolling
sending
small
smart
smartphone
standing
street
swipe
tapping
technology
telephone
thumbs
tourist
type
using
wifi