Dear Dr. Zhang,It's my great pleasure to invite you to appear on [Name of the American scientific journal]. We would really appreciate if you and/or one of your collaborators could write for [Name of
Dear Tom,I am so glad to receive your letter..You said that you don't want to stop playing sports .But your study don't allow you to pay so much attentions of it .I know you feel very
平淡的朝发夕至
