id	keyword
fbem-8696	energy
fbem-8696	economy
fbem-8696	energy consumption
fbem-8696	development
fbem-8696	structure
fbem-8696	consumption structure
fbem-8696	index
fbem-8696	model
fbem-8696	level
fbem-8696	china
fbem-8696	moran
fbem-8696	economic