我现在还不清楚要寄到哪个中心，我看有些推荐信已经写到具体的中心，但有些只写
Bureau of Citizenship and Immigration Services
Department of Homeland Security
Re: Dr. ’s Immigrant Petition as an Alien of Extraordinary Ability
Dear Sir/Madam:
请问推荐信的题头到底怎么写？
多谢了
a****5 发帖数: 10854
2
Jan. 18, 2011
U.S. Department of Homeland Security
Citizenship and Immigration Services
Regional Service Center
To whom it may concern:
【在 s******s 的大作中提到】 : 我现在还不清楚要寄到哪个中心，我看有些推荐信已经写到具体的中心，但有些只写 : Bureau of Citizenship and Immigration Services : Department of Homeland Security : Re: Dr. ’s Immigrant Petition as an Alien of Extraordinary Ability : Dear Sir/Madam: : 请问推荐信的题头到底怎么写？ : 多谢了
