中立船证由联盟的外国政府颁发给船只的一种官方文件，尤指战时授权中立商船在特定水城内自由进出和航行的文件
An official document issued by an allied foreign government to a ship, especially a neutral merchant ship in time of war, authorizing it to enter and travel through certain waters freely.
他将官方文件丢在他汽车里。
He leaves official document in his car.
护照证明某人的身份和公民资格以及允许公民到国外旅行的正式官方文件
An official government document that certifies one's identity and citizenship and permits a citizen to travel abroad.
让我看看买卖这块土地的所有官方文件。
Let me see all the official documents concerning the sale of this land.
