a diplomatic document

• 外交文件

a diplomatic document的用法和样例：

例句

1. Consequently little is known about Srivijaya during the century following I-tsing's visit, except from diplomatic records kept by the Chinese.
   因此，在艾青出访后的一个世纪里，人们除了从中国人保存的外交文件中知道一些情况外，对室利佛逝的了解甚少。