英文關鍵字
business
businessman
call
car
cell
cellphone
cellular
communication
computer
device
digital
employee
equipment
finger
hand
holding
internet
keypad
lifestyle
male
man
men
message
messaging
mobile
modern
people
person
phone
professional
school
screen
shopping
smart
smartphone
sms
technology
telephone
text
texting
touch
touchscreen
typing
using
wireless
work
young