id	keyword
fbem-18640	culture distance
fbem-18640	countries
fbem-18640	trade
fbem-18640	china
fbem-18640	belt
fbem-18640	products
fbem-18640	exports
fbem-18640	road
fbem-18640	friendship
fbem-18640	income
fbem-18640	cities
fbem-18640	cultural
fbem-18640	effect
fbem-18640	confucius