第三條 If you reside outside the United States, 2 identical color photos...
我的問題是，我現在住在美國，我需要提交相片嗎？-Not need.
還有接下來的一條，If you are applying for naturalization on the basis of marriage to a US citizen, send the following 4 items: 1,2,3， Proof of termination of all prior marriages if your spouse （這是我們的第一次婚姻，我要提交什麽材料？
-If you have got the green card for at least five years, you don't need to provide this proof. If your N-400 filing is based on your marriage (i.e. you married a US citizen, and have got the green card for 3 years and less than five years), then you need to provide the copy of your marriage certificate. Read N-400 instructions.
