致歉信高级句式？
开头段：
1.I’m sorry to know that...
2.Learning/knowing that..., I’d like to...
3.I’m writing to give you some suggestions.
4.Here are my suggestions.
5.Here is my advice.
6.My suggestions are as follows.
7.Here are some suggestions for your reference.
中间段：
1.Why not do...?
2.Why don’t you do...?
3.You should/can...
4.You are supposed to...
5.You’d better do....
6.You may/might as well do...
7.If I were you, I would...
8.It helps if...
9.It would be helpful to do
10.It would be a good idea if.../to do...
11.It would be of benefit to do...
12.The best way to do...is to do...
13.You are advised to do...
14.I suggest that ...should ...
结尾段：
1.I hope you will find these ideas useful.
2.I hope my advice can be of help to you.
3.I would appreciate it if you could take my advice into consideration/account.
4.I would be more than happy if my suggestions could be of help to you.