英文關鍵字
bearded
black
buying
card
caucasian
citizen
communication
computer
connection
detail
device
elderly
entering
glasses
granddad
grandfather
gray
having
indoor
intelligent
internet
laptop
leisure
lifestyle
making
man
money
net
news
old
online
people
person
pin
purchase
retired
searching
senior
shopping
sitting
smart
spending
tech
technology
time
typing
user
using
video
yellow