投诉信英语作文200字

投诉信是我们生活中常见的一种书信形式，可以用来向有关部门或单位反映自己的问题或不满。下面是一篇关于投诉信的英语作文。Dear Sir/Madam,I am writing to express my strong dissatisfaction with the quality of service I received at your restaurant last night. I visited your establishment with ...