我附支票一张以结清贵处帐目。

I enclose a check in settlement of your account.

我们收到了贵处来的货，质量很好。

We have received the goods you send us, and the quality is excellent.

我在贵处预订了一个十月一日的双人房。我想把预订再延长三天。

I made a reservation for a double morn for October 1 st. I'd like to extend it for three more days.

如货物遭受损失，您可于货到后30天内向贵处的保险公司代理提出索赔，并提供鉴定报告以资证明。

Should any damage incur, you may, within 30 days after the arrival of the consignment, approach the insurance agent at your end file the claim to be supported by a survey report.