approach of willingness to pay
primary care clinics willingness to visit
the greatest willingness to pay
willingness to accept treatment
willingness to accept WTA
willingness to care for dying patients
Willingness to join CMS
willingness to participate
Willingness to pay
支付
付费意愿
愿意支付
支付意愿
支付意愿法
受偿意愿
愿付价值
愿付价格
愿付成本
旅行时间节省价值
Willingness to pay (WTP)
willingness to seek knowledge