news vocabulary 白皮书

White paper. An official report from a government or Parliament, explaining their ideas and plans concerning particular political, diplomatic, financial or other major issues. 

政府、议会等公开发表的有关政治、外交、财政等重大问题的文件，因封面为白色，所以叫白皮书。（source：《现代汉语词典》）

新闻例句

 

国务院新闻办公室于发表《中国武装力量的多样化运用》白皮书。这是中国政府自1998年以来发表的第8部国防白皮书，也是首部专题型国防白皮书。 

China issued a white paper on national defense named “The Diversified Employment of China's Armed Forces.” The document, the eighth of its kind issued by the Chinese government since 1998, is the first special coverage white paper on national defense.