主要内容：

Friday the 13th, also known as Black Friday, is considered an unlucky day in Western superstition.但是咱们今天要说的Black Friday不是Friday the 13th, 而是Black Friday – the shopping day.
Black Friday is the day following Thanksgiving Day.
It has been regarded as the beginning of the Christmas shopping season in the United States.
Tip1：This is shopping 101. Remember, retailers are in business to make a buck, and they can't do that if they lose money — or even make too small a profit — on every deal.
Tip2：Give preference to big ticket item as you will save more on those items.
Tip 3：Apple Stores across the country will be packed on Black Friday, but they won't be offering great deals. If you want a real deal, you'd be better off checking out what third-party retailers like Walmart, Best Buy, and Target can do.
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