l 投诉一般投诉Project: product or service received from companyMain:Dear name:Im writing to inform you of a problem we have had with your company. description of the problem. This has caused us some difficulties. description of problems. We must resolve this situation quickly. We suggest that you suggested solution. Please call me as soon as possible at telephone number so that we can discuss our options.Sincerely,nametitlecompany nametelephone number