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“黑色星期五”对大型零售连锁企业来说是最重要的日子，因为这一天预示他们在未来一个月的假日销售情况，而假日期间通常是一年中最赢利的时候。
Black Friday is the most important day for big retail chains, as it forecasts/foreshadows the sales in the coming month of the holiday season, which is usually the most profitable time of the year.