人类用烧红的烙铁给牲口打上烙印,用以区别牲口的隶属权,这种做法已经延续了至少四千年。实际上,任何一种设计,无论是浪漫的、高贵的、低俗的、还是滑稽的,其最初的作用都等同于区分不同主人的牲口之功能需求,这是设计的起点。每个设计背后都有一段真实的故事,很多时候它可能是一个悲剧,也可能是喜剧,抑或是一段缠绵的浪漫史, Humans burn their livestock with red-hot soldering iron to distinguish their livestock from their subordinates, a practice that has lasted for at least four thousand years. In fact, any kind of design, whether romantic, noble, vulgar, or funny, has an initial role that is equivalent to the functional requirement of distinguishing between different animal owners, which is the starting point for design. Behind each design has a true story, in many cases it may be a tragedy, it may be a comedy, or a touching romance,