英文關鍵字
activity
adult
aged
app
browse
browsing
care
cell
citizen
close
closeup
clumsily
connection
cyberspace
depth
device
downloading
elder
elderly
field
focus
grandfather
hand
health
help
home
how
internet
man
mature
media
message
mobile
network
news
old
older
pages
palm
pensioner
people
person
phone
relaxed
retired
retirement
screen
selective
senior
shallow
smart
smartphone
social
surfing
surfs
teaching
technology
telephone
theme
touch
urban
using
work