你还需要提供能够证明你的配偶已取得美国国籍满3年的材料，如配偶的出生证，申请美国国籍成功的证明，或者美国护照。
You will also need to provide copies of evidence that your spouse has been a U.S. citizen for at least 3 years, such as his or her birth certificate, certificate of Naturalization, or U.S. passport.
在宾馆里，我还遇到了一位年龄50岁，负责客房服务的菲律宾侍者。30年前他来到了美国，现在已经是美国人了。他为自己取得美国国籍而自豪。
At the hotel, I also met a 50-year Filipino server from room service who arrived in the United States 30 years ago and is now proudly American.
我们不应当鼓励外国人仅为了让子女取得国籍而来美国。
We should not be encouraging foreigners to come to the United States solely to enable them to confer U.S. citizenship on their future children.
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