跟单 http://www.drugstore.com/revlon-colorburst-lip-butter-berry-smoothie/qxp387958?catid=183853 http://www.drugstore.com/revlon-colorburst-lip-butter-candy-apple/qxp387955?catid=183853 http://www.drugstore.com/revlon-colorburst-lip-butter-tutti-frutti/qxp387951?catid=183853 http://www.drugstore.com/revlon-colorburst-lip-butter-cotton-candy/qxp387957?catid=183853 现在有2nd 50%off, 金卡的20% discount还能叠加吗?