英文關鍵字
adult
app
application
attractive
business
call
cell
cellphone
close
communication
corporate
device
digital
executive
finger
guy
hand
holding
internet
keypad
lifestyle
male
man
message
messaging
mobile
modern
nature
network
park
people
person
phone
professional
reading
screen
sitting
smart
smartphone
social
technology
telephone
touch
touchscreen
typing
using
wireless
work
young