英文關鍵字
actively
adult
aged
app
assisted
cane
caucasian
cellphone
connection
device
disabilities
disability
domestic
elderly
focus
healthcare
home
indoor
indoors
life
lifestyle
lifestyles
listening
living
males
man
medicine
men
mobile
networks
nursing
old
only
pensioner
people
person
persons
phone
physical
positive
real
resting
retired
retirement
sad
selective
senior
serious
sitting
smart
smartphone
social
stick
talking
technology
uses
using
walking
while
wireless