id	keyword
fbem-24667	residents
fbem-24667	happiness
fbem-24667	wealth
fbem-24667	household
fbem-24667	household wealth
fbem-24667	effect
fbem-24667	level
fbem-24667	education
fbem-24667	family
fbem-24667	accumulation
fbem-24667	china
fbem-24667	rural
fbem-24667	research