With many apologies and thanks ,用在信的结尾,有语法或其他的错误吗?

不用with
这样显得罗嗦
就best regards就可以了
或者就是thanks
一般写信没写这么多的致歉信的结尾，还想表达感谢。。。。那要怎么说，多谢~~给你一句标准的答案 Again, I apologize for any inconvenience caused by our mistakes. 最标准的答案 A lot of thanks