某些美国的假日并没有特定的日期，如：五一劳动节是在九月的第一个星期一庆祝，还有其他没有特定日期的假日为。

Some American holidays have no definite date, like Labor day, which is celebrated on the first Monday of September. Other holidays like this are.

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某些美国的假日并没有特定的日期，如：五一劳动节是在九月的第一个星期一庆祝，还有其他没有特定日期的假日为。

Some American holidays have no definite date, like Labor day, which is celebrated on the first Monday of September. Other holidays like this are.

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