id	keyword
eltls-56361	english
eltls-56361	chinese
eltls-56361	instructor
eltls-56361	t’ong
eltls-56361	teaching
eltls-56361	sentences
eltls-56361	volume
eltls-56361	phrases
eltls-56361	pronunciation
eltls-56361	language
eltls-56361	trade
eltls-56361	education
eltls-56361	china