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2. Chain development Chain development: not only pay attention to the first activity, but also emphasize the whole chain development process, including the complete system of new product research and development, release, display, promotion and sales.2. Chain development Chain development: not only pay attention to the first activity, but also emphasize the whole chain development process, including the complete system of new product research and development, release, display, promotion and sales.2. Chain development Chain development: not only pay attention to the first activity, but also emphasize the whole chain development process, including the complete system of new product research and development, release, display, promotion and sales.

2. Chain development Chain development: not only pay attention to the first activity, but also emphasize the whole chain development process, including the complete system of new product research and development, release, display, promotion and sales.1. Debut Debut: Emphasize "debut", including the first release and display of new products, technologies, services, formats and models.

2. Chain development Chain development: not only pay attention to the first activity, but also emphasize the whole chain development process, including the complete system of new product research and development, release, display, promotion and sales.Fourth, the impact of the starting economy