==========跟单区(id, item, link, qty, price, contact) =====
@LIANER1119 跟单
id: LIANER1119
item1: GNC Women's Prenatal Program 30 -Day Supply286512
link: http://m.gnc.com/GNC-Womens-Prenatal-Program/product.jsp?productId=3359445
qty: 6
sale price: $19.99
Member Price: $29.99
(不明为什么放两种价格，没有sale price也可以)
item2: GNC Preventive Nutrition Liver Health Formula 90 Capsules714312
link: http://m.gnc.com/GNC-Preventive-Nutrition-Liver-Health-Formula/product.jsp?productId=13218613 
qty:2
price: $39.99
item3:GNC Triflex240Caplets281332
link:http://m.gnc.com/GNC-Triflex/product.jsp?productId=4266766
qty:2
price:$66.99
contact: 就一四五98溜溜
item1: GNC Women's Prenatal Program 30 -Day Supply286512
link: http://m.gnc.com/GNC-Womens-Prenatal-Program/product.jsp?productId=3359445
qty: 6
sale price: $19.99
Member Price: $29.99
(不明为什么放两种价格，没有sale price也可以)
item2: GNC Preventive Nutrition Liver Health Formula 90 Capsules714312
link: http://m.gnc.com/GNC-Preventive-Nutrition-Liver-Health-Formula/product.jsp?productId=13218613 
qty:2
price: $39.99
item3:GNC Triflex240Caplets281332
link:http://m.gnc.com/GNC-Triflex/product.jsp?productId=4266766
qty:2
price:$66.99
contact: 就一四五98溜溜
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