id	keyword
cice-11449	children
cice-11449	education
cice-11449	china
cice-11449	schools
cice-11449	workers
cice-11449	social
cice-11449	urban
cice-11449	economic
cice-11449	city
cice-11449	issues
cice-11449	system
cice-11449	beijing
cice-11449	public
cice-11449	yuan