id	keyword
fbem-169	water
fbem-169	people
fbem-169	survey
fbem-169	information
fbem-169	youth
fbem-169	market
fbem-169	purchase
fbem-169	consumption
fbem-169	method
fbem-169	questionnaire
fbem-169	anhui
fbem-169	reliability
fbem-169	province
fbem-169	research