以下是80字左右的英语道歉信模板，分点说明：

一、开头

• 使用"Dear [对方姓名],"或"Dear Sir/Madam,"等正式称呼

• 紧接着表达歉意："I am writing to express my sincere apologies"（针对个人）或"We apologize for any inconvenience"（针对群体）

二、道歉原因

• 简洁说明具体问题，如："for the extra visiting without your permission"（未经允许擅自来访）

• 若涉及服务问题，可补充："for our service not meeting your expectations"（服务未达预期）

三、态度与补救措施

• 表达悔意："We deeply regret"或"I feel terribly sorry"（针对群体/个人）

• 提出解决方案："We will take immediate action"或"I will do everything to rectify the situation"（针对问题说明改进措施）

四、结尾

• 重申歉意："Once again, I am sorry"或"Please accept my apologies"（针对群体/个人）

• 表达感谢："Thank you for your understanding"或"We appreciate your patience"（针对群体）

示例完整信件

Dear Friends,

Please accept my sincere apology for the inconvenience that I caused you by adding the extra visiting without your permission. I had no intention of intruding on your

We apologize for any inconvenience you may have experienced during our recent service. We deeply regret that our service did not meet your expectations. We understand that your dining experience is an important one, and we take pride in providing excellent service and quality food. However, on this occasion, we failed to meet your standards, and we are truly sorry. We would like to assure you that we are taking steps to improve our processes to prevent such incidents in the future. Thank you for your understanding.

（注：实际使用时可根据具体场景调整措辞，建议配合具体事件补充细节。）