id	keyword
ajeer-920	housing
ajeer-920	consumption
ajeer-920	housing consumption
ajeer-920	hong
ajeer-920	kong
ajeer-920	group
ajeer-920	health
ajeer-920	study
ajeer-920	household
ajeer-920	hong kong
ajeer-920	journal
ajeer-920	age
ajeer-920	person
ajeer-920	status