Thank you for your feedback on my writings. I didn't understand the meaning of the verb " serve". Your explanation is very clear.
Thank you very much for your corrections. Your proofreading in order to make my sentence more consistent is very informative to me. It is a little difficult for me to use prepositions correctly.
Thank you very much for your feedback on my sentences. I was impressed that replacing the long phrase with the clear short one made my sentence much better.
Thank you for your correcting my writings. I also appreciate your prompt reply. Your explanation "Whether it refers to the "Competitive athletes" or the "universities" is vague. " is convincing. The next sentence you showed me expresses exactly what I wanted to say. "Competitive athletes will contribute to the popularity and financial affluence of universities."