Ken的部落格

Frist of all, if I don't konw the salutation he is, I will call him "Yours faithfully"
Second I will be courteous to greet him and write something like "How do you do?".
Third I will told him what the purpose of this letter,and write something  about "I don't know what to do,should you give me some advice?".   
In the end I will be complimentary close with him,and write "kind regards".
When you want to write to someone who has different professional field from yours,there must be some difficulies with you.
Sometime a friend from different background and experence can help you get more ideas because he has different thinking and opinions.
Furthermore we can learn more different knowledge from each other.