id	keyword
eltls-20396	tourism
eltls-20396	translation
eltls-20396	english
eltls-20396	promotional
eltls-20396	studies
eltls-20396	text
eltls-20396	language
eltls-20396	materials
eltls-20396	chinese
eltls-20396	tourists
eltls-20396	culture