跟单ID:justinwon HP:91723579 item1:GNC Herbal Plus® Standardized Ginkgo Biloba 60mg qty:2 link:http://www.gnc.com/product/index.jsp?productId=2539690 请问这个是可以会员价 30%跟第二件50%叠加的吗？ item2:vitaliKoR® qty:1 link:http://www.gnc.com/product/index.jsp?productId=11678586