Two-Part Pricing 两段定价法
two-part-pricing 两部定价
two part pricing 两部制定价
two-part-pricing model 两部定价模型
two part pricing method 两部制定价法
theory of two-part pricing 两部定价理论
the two-part pricing method 两部制定价法
the one-part pricing method 一部制定价法
the modificatory two-part pricing method 修正的两部制定价法
应用推荐