英文關鍵字
background
business
busy
cell
cellphone
cellular
close
communication
computer
device
digital
electronics
evening
exchange
female
finance
finger
hand
holding
information
internet
laptop
lifestyle
man
message
messaging
mobile
modern
night
person
phone
reading
screen
smart
smartphone
sms
technology
telephone
text
texting
touch
touchscreen
using
wireless
woman