official correspondence短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 业务函件 The consular bag may contain only official correspondence and documents or articles intended for official use and must be sealed and bear visible external marks of its character. 领事邮袋以装载来往公文、公务文件及公务用品为限,应予加封并附有可资识别的外部标记。 lawinfochina