Dear Professor Qi,

I really appreciate your timely reply, and it strength strengthened my faith in keeping study literature. and And your explanation instructions about the paper really enlightened me deeply from which I learnt a lot. Thus I was wandering if you could be my future research mentor, and I believe under your guidance, I will certainly make progress in my future learning.

finally I look forward to hearing from you,thank you again for your precious time and consideration in reading this letter, I look forward to your reply.

Yours sincerely,

lindsay