跟Item：GNC Mega Men® Sport - Vanilla Bean
qty: 4
link: http://www.gnc.com/product/index.jsp?productId=4021740
price: 49.99 X 2 (buy 2 get 2)
单子补充 :)
所以如果这两种分别买一瓶，可以分别再送一瓶对吗?
Item：GNC Vitamin C 1000
qty: 2
link: http://www.gnc.com/product/index.jsp?productId=4276360
price: $26.99 X 1
Item：GNC Big 100® (Vitamin B)
qty: 2
link: http://www.gnc.com/product/index.jsp?productId=4276284
price: $24.99 X 1
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