北京大兴刘风同学说,去年12月27日,中国政府发表了《2004年中国的国防》白皮书,我们想知道,　　一个国家政府或议会正式发表重要文件或报告书的封面有它惯用有问有答的颜色,白色的叫白皮书(如葡萄牙),蓝色的叫蓝皮书(如英国),红色的叫红皮书(如西班牙),因而白皮书、蓝皮书 Daxing Liu Feng of Beijing Daxing said that on December 27 last year, the Chinese government issued a White Paper on China’s National Defense in 2004. We would like to know that the cover of a national government or parliament that officially publishes an important document or report has its usual questions and answers. The color of the answer, white is called a white paper (such as Portugal), blue is called a blue book (such as the United Kingdom), red is called a red book (such as Spain), and thus a white paper, a blue book