【正确答案】正确答案： Black Friday Black Friday is the beginning of the Christmas shopping season in America. / It falls the day after Thanksgiving celebration / and has become a discount shopping day / when millions of US shoppers are tempted by massive savings. / There are two explanations for the day's name. / Some claim it was coined to illustrate the point / at which retailers start to make a profit, or go "into the black". / Others believe it was first coined by the Philadelphia police department / to describe the crowded pavements and traffic jams on the Friday after Thanksgiving. /