Goods promotion 1.A special: quarterly or every time to launch a few to specials. 2.Across the discount: discounts is 4.9 fold, 3.9 fold, rather than 5 or 4 fold. 3.Time discount: Regulations a promotion time, such as morning before 12 o ‘clock a 7.9 fold,14 o ‘clock full 6.9 fold, and so on, 21 points [...]