===============跟单区，id, item,qty,link,price,contact============没有电话不下单哈，可以站短
数量就是买一送一以后的数量
跟单
ID：GNC Melatonin 3
URL: http://www.gnc.com/product/index.jsp?productId=4276268&cp=4046473.13384936
QTY:4
Price: 5.99X2
ID:GNC Aloe Vera Skin Gel
URL: http://www.gnc.com/product/index.jsp?productId=4468905&cp=4046473.13384936
QTY:2
Price:1.99
HP:86575899
URL: http://www.gnc.com/product/index.jsp?productId=4276268&cp=4046473.13384936
QTY:4
Price: 5.99X2
ID:GNC Aloe Vera Skin Gel
URL: http://www.gnc.com/product/index.jsp?productId=4468905&cp=4046473.13384936
QTY:2
Price:1.99
HP:86575899
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