英文關鍵字
anonymous
blank
cellphone
cellular
clip
closeup
communication
connection
contact
device
digital
empty
footage
gent
green
greenery
guy
handheld
hands
holding
internet
leisure
man
media
message
mobile
mobility
modern
motion
multimedia
networking
online
outdoors
person
phone
reading
recreation
screen
signal
smartphone
technology
telecommunication
text
touchscreen
unknown
video
white