Cover letter 并非专指投稿信，应是附带说明文件。对寄上的东西作一简单介绍。如寄回物件维修说明文件，Dear S Enclosed is the ( 物品名), which I believed is faulty and require either repair or replacement under the term of warranty The problem are (列出故障点)Any problem regarding to the above issue, please contact Your S
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