皮书是大型图书的一种。古时候,为了让重要或珍贵的资料妥善保存,人们用皮革装帧图书,权力机构颁布的法规,重要典章书籍也用皮革刊出。久而久之,皮书从某种意义上成为权力机构舆论工具的象征。所以,一般来说,皮书是指一国政府或议会正式发表的重要文件或报告书,而白皮书、蓝皮 The book is a kind of large book. In ancient times, in order to keep important or precious information properly, people used leather-bound books, laws and regulations promulgated by the authorities, and important rules and books were also published in leather. Over time, the book became, in a sense, a symbol of the power of public opinion. So, in general, a leather book is an official document or report officially published by a government or parliament, while white paper and blue leather