Working in this manner, the product definition is not at risk when the implementation runs into problems, and it becomes possible to plan long-term technology development so that it can provide increasingly sophisticated ways of meeting user needs.

• 这样合作，当实施的过程中遇到问题时，产品定义就不会出现风险。 同时也可以制定出一个长期的技术开发计划以保证提供不断进步的方式来满足用户需要。