We ____to inform you that we were not satisfied with your service.
举一反三
- We regret to inform you that we have to return the goods to you at your ____.
- If you are not satisfied with your ________(purchase), we will give you a full refund.
- If you are not satisfied with your purchase, we will be more than happy to give your money back to you.
- We regret to inform you that Case Nos.5 and 8 were broken and their contents were damaged _____________ improper packing.
- __________ your letter of March 4 ， we are pleased to inform you that the L ／ C has been received.