Silver industry refers to the business sector that focuses on products and services for seniors. 

“银发产业”指的是聚焦于为老年人提供产品和服务的商业部门。

Industries that have focused on younger consumers are retooling themselves to create, produce and market goods and services to that older demographic group. 

重点为年轻消费者服务的产业正在转型，转而为老年人创造、生产和推广产品及服务。