假如贵方无法付寄正本文件的话，贵方可以寄副本或第三副本给本公司。

If it is difficult for you to deliver the original document, you may send us the duplicate document or the triplicate.

youdao

寄快速投递你得付额外费用。

You have to pay a premium for express delivery.

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艾伦：那是当然。请记一下我的DHL账号V93F72，你可以用我这个账号寄样品给我，我接受邮费到付。

Allan:Sure. Please write down my account number of DHL, V93F72, you can use my account to send samples to me, I accept freight to be collected.

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