Although Pat and Norman must file a joint return for the year they make the choice, they can file either joint or separate returns for later years.

虽然帕特和诺曼第一年必须联合报税，但余下的年月他们可以继续联合或单独报税。

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Although Pat and Norman must file a joint return for the year they make the choice, they can file either joint or separate returns for later years.

虽然帕特和诺曼第一年必须联合报税，但余下的年月他们可以继续联合或单独报税。

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