white paper
柯林斯词典
1. N an official government report in any of a number of countries, including Britain, Australia, New Zealand, and Canada, which sets out the government's policy on a matter that is or will come before Parliament 白皮书; 英国、澳大利亚、新西兰和加拿大政府提交给议会的关于某一问题的政府政策文件
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