May I take your credit card number or Guarantee letter for the guarantee?

请提供您的信用卡号码或担保信给我做为担保.

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Guarantee letter is required for completed to paying any third party's room guarantee.

如第三者为订房客人提供信用卡资料作为客房担保需填写《客房担保书》.

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Me: He wrote you letter and guarantee letter. Would you like to have a look?

他给你写了一封担保函,和一封信, 你想看一下?

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