英文關鍵字
adult
age
aging
alone
call
caucasian
cell
cellphone
chat
chatting
close
communication
connection
contact
conversation
depth
dialogue
digital
domestic
elderly
emotion
european
eyes
face
field
focus
granddad
head
holding
home
interlocutor
internet
listens
lonely
man
mature
men
mobile
news
nursing
old
one
pensioner
people
person
phone
portrait
problem
process
retired
retirement
sad
selective
senior
shallow
smartphone
speaking
take
talking
technology
telephone
wrinkled