BlackFridayistheFridayfollowingThanksgivingDayintheUnit...
问题详情：BlackFridayistheFridayfollowingThanksgivingDayintheUnitedStates.Ithasbeenregardedasthebeginningoftheholidayshoppingseason.Althoughit'snotanofficialholiday,millionsofemployersgivetheiremployee...