所谓需要,在这里指的是,对于人们的生产生活有所帮助,能够给人们在各方面提供方便或能够满足人们在物质享受或精神享受方面不断提高的愿望。发明的目的是为了创造出新的产品,而这个新的产品必须要能够满足人们在某一方面的具体需要,这就是产品的实用性;如 The so-called need, here refers to the help for people’s production and life, can give people in all aspects to provide convenience or to meet people’s desire for continuous improvement in material enjoyment or spiritual enjoyment. The purpose of the invention is to create new products, and this new product must be able to meet people’s specific needs in a certain area, which is the practicality of the product;