You: Good morning, Prof. Smith. Thank you for the book you sent me. It is______________________ （很有帮助）to my team paper.Smith: I’m glad it is helpful to you.
You: Good morning, Prof. Smith. Thank you for the book you sent me. It is______________________ （很有帮助）to my team paper.Smith: I’m glad it is helpful to you.
发布时间：2025-07-24 06:17:30
