每一件设计产品的诞生,都寄托着人们对于它可以直接或间接地满足物质或精神需要的期许,必须具有一定的实用性发展。一件好的设计产品,应该具有良好的实用性,在功能性、适用性、操控性和容错性上都经过精心的设计,以满足消费者的需要。 The birth of each design product entails the development of practicality for people to expect that they can meet their material or spiritual needs directly or indirectly. A good design product, should have good practicality, in the functionality, applicability, handling and fault tolerance have been carefully designed to meet the needs of consumers.