货物通行单是一种海关文件。

The transire is a customs document.

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这决不是一个魔法般的能很容易就通过海关的通行证。

This is by no means a magic get-through-customs-easily card.

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第27条邮政服务人员为递送邮件或邮政公用物，经过道路、桥梁、海关、渡口等交通线路时，有优先通行权。

Article 27 in delivering mail items or postal property, postal personnel have the right of way on all roads, Bridges, customs facilities, and ferries.

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