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　　①引言

　　?I am writing to you in the hope that I may obtain…

　　?I would like to inquire about…

　　?I want to know if it is possible for you to provide me with information regarding…

　　?I take great interest in…

　　②展开

　　?I would like to get more details of…

　　?I shall be grateful if you could offer me more specific materials about…

　　?I would be much obliged to you if you could let me know the procedures I have to go through.

　　?I am also greatly concerned about…

　　③结尾

　　?Your prompt and favorable attention to my inquiry would be greatly appreciated.

　　?Thank you for your time and consideration.

　　?Many thanks to your assistance.

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