英语写作范例：商务写作4

英语自学网

　　Dear
        　　Attached is an accepted copy of your Purchase Security Agreement for the
[specify equipment].
        　　There are [number] remaining quarterly payments. Your first quarterly
payment will be due on [date] ， and we will mail you an invoice for it
approximately one month prior to that date. Please return the remittance portion
of the invoice with your check.
        　　Under the Agreement， this contract is non-cancellable during the term of
the contract. The balance， however， can be paid off at any time prior to the
expiration of the contract.
        　　We would like to take this opportunity to express our appreciation for your
business. If you have any questions concerning your contract， or if we can be of
service to you in any way， please let us know.
        　　-商务英语
        　　daiy