Services: Products, such as an airline flight or insurance policy, which are intangible or at least substantially so. If totally intangible, they are exchanged directly from producer to user, cannot be transported or stored and are instantly perishable. Service delivery usually involves customer participation in some important way. Services cannot be sold in the sense of ownership transfer, and they have no title of ownership.
服务:飞机航班或保险政策等不能运输或储藏的无形产品，通过生产者和使用者进行交换。服务交付通常需要消费者的参与，不能以所有者转移的形式来销售服务而且服务也没有所有权。
