Dear ___________,
You have asked me for my advice with regard to _______, and I will try to make some conductive suggestions here.
In my humble opinion, you would be wise to take the following actions:_________________ (建议的内容)
I hope you will find these proposals useful, and I would be ready to discuss this matter with you to further details.
Good Luck with your_______(祝愿)
Yours sincerely
Li Ming