【经】 担保书

除非担保预订，即以信用卡、现金或公司承诺负担房费的信函为担保预订，其它所有订房仅保留至晚六点。

letter of indemnity

certificate of authorization【法】;letter of authorization【法】;power of attorney【法】

letter

usance letter of credit

engagement letter【审计】

reciprocal letter of credit

letter

letter scale (letter balance), moisture weigher, sedimentation scale,