id	keyword
easat-4975	elderly
easat-4975	videos
easat-4975	platforms
easat-4975	users
easat-4975	technology
easat-4975	people
easat-4975	vol
easat-4975	participants
easat-4975	study
easat-4975	domestication
easat-4975	media
easat-4975	china
easat-4975	research
easat-4975	technologies
easat-4975	nanjing
easat-4975	family
easat-4975	learning