第1个回答 2012-07-07
This is a letter to be addressed to you in the future.
第2个回答 2012-07-07
This is a letter for you to see in the future.
第3个回答 2012-07-07
This is a letter to the future of your letter
第4个回答 2012-07-07
This is a letter addressed to the future of your letter