当然，以下是一段用英语表达“很高兴收到你的来信”的情境，可以扩展成一封完整的信件：

Dear [Recipient's Name],

I hope this letter finds you in good health and high spirits. It was an absolute pleasure to receive your letter. Your words brought a smile to my face and filled me with joy. I have always cherished our correspondence, as it allows us to share our thoughts, dreams, and experiences despite the miles that separate us.

In your letter, you mentioned [mention something specific from their letter], which resonated deeply with me. It is wonderful to see how we share similar views on [a topic of mutual interest]. This common ground has only strengthened our friendship, and I look forward to exploring more topics that we both find fascinating.

I must admit, your letter came at a perfect time. Lately, I have been feeling quite overwhelmed by the daily grind. However, reading your kind words and catching up on your life has lifted my spirits immensely. It is amazing how a simple act of communication can brighten someone’s day so much.

Please do keep writing to me. I eagerly await your next letter, full of more stories and insights. If there is anything you wish to discuss or any questions you have, feel free to ask. I am here, ready to listen and support you in any way I can.

Once again, thank you for your heartfelt letter. It means the world to me. I will make sure to write back soon with all the news from my end. Until then, take care and know that you are greatly missed.

Warmest regards,

[Your Name]

这段内容可以根据实际情况进行调整，比如添加更多个人细节或调整语气，使其更符合具体的情境。希望这对你有帮助！