帮我写封英文邮件给研究生招生委。主要内容是经过和家人的慎重考虑很遗憾我决定放弃就读康奈尔大学。如果继续留在美国读研究生对于我的家庭也是一个非常大的挑战我也不希望我父母动用所有资金来供我读书。写这封邮件一个提前告知学校我的打算放弃就读的想法同时向跟学校申请退回已经支付的offer押金希望学校能够同意。 非常感谢学校对我的认可以及理解。

Dear Graduate Admissions Committee,

After careful consideration and discussion with my family, I regret to inform you that I have decided to decline my offer of admission to Cornell University. Continuing my graduate studies in the United States would pose a significant financial challenge for my family, and I do not wish for my parents to exhaust all their resources to support my education.

I am writing to inform the school of my decision to decline the offer of admission and to request a refund of the deposit I made. I hope that the school can understand my situation and grant my request for a refund.

I want to express my sincere gratitude for the recognition and understanding that the school has shown me throughout the application process. I apologize for any inconvenience caused by my decision, and I wish the school all the best in its future endeavors.

Thank you for your consideration.

Sincerely,

[Your Name