英文關鍵字
businessperson
cellphone
chat
close
communication
devices
hand
internet
man
message
messages
mobile
mobilephone
modern
network
online
outdoors
phone
prints
review
screen
seaside
sending
sensor
smartphone
social
street
summer
sun
sunset
talking
technology
telephone
text
texting
touch
touchscreen
travel
trip
type
typing
use
uses
vacation
video
view
walks
work
writing