建議信

　　Dear ()，

　　I am writing to express my views concerning (). In the first place, I would like to say thank you for the help and everything else you have been offering to us. Meanwhile, I also want to make some advice to better () .

　　Firstly, we have found that(). Secondly, we want to (). Finally, we hope that ().

　　I am looking forwards to your consideration about my proposals. Thanks in advance for that.

　　Yours sincerely,

　　Wang Lin