【正确答案】Dear Sirs:
   Thank you for your offer of July 10, and we accept the terms quoted. Our order is enclosed, but we place this order on the clear understanding that the consignment is dispatched in time to reach us by October 30, and reserve the right to cancel it and to refuse delivery after the date.
   Your early attention to this order will be appreciated.
                                                                                 Yours truly,
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