求翻译：为了避免向海关提供监管文件，我们必须要提供保证函，只需要盖MCF的章就可以了。快件只是在海关要求的时候提供。是什么意思？

To avoid regulatory documents to the customs, we must provide a letter of guarantee, you only need to cover mcf Chapter. Express only when the customs requirements.

In order to avoid the Customs and Excise Department provides supervision, we will have to provide assurance that it is only necessary to cover letter MCF chapter. Overnight at the Customs and Excise Department is only available when requested.

In order to avoid to the customs providing the supervising and managing document, we must have to provide the letter of guarantee, only needed to cover MCF the chapter to be possible.The express item only is the time which requests in the customs provides.

In order to avoid Customs regulatory documents, we must provide a guarantee, just to cover MCF's chapter on it. Express mail are available at the time of customs.

正在翻译，请等待...