Research on product design strategy based on customer-choice behavior 并列题名：Research on product design strategy based on customer-choice behavior Research on advance selling strategy based customer strategic behavior research on product design methods based on sharing concept Research on product design based on concurrent engineering research on optimal design methods based on counterfactual theory Research on the effect mode and renewal of multi-expectations in customer choice behavior Product line pricing and optimization based on consumer choice behavior 并列题名：Product line pricing and optimization based on consumer choice behavior 并列题名：Research on product design based on concurrent engineering