===============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
"1. GNC Herbal Plus Standardized Bilberry
100 Capsules
196911"
qty:2
http://www.gnc.com/product/index.jsp?productId=2133924
"2. GNC Ultra NourishHair
120 Tablets
247721"
qty:2
http://www.gnc.com/product/index.jsp?productId=2133781
"3. GNC Triflex
240 Caplets
281332"
qty:2
http://www.gnc.com/product/index.jsp?productId=4266766
hp: 85040778
100 Capsules
196911"
qty:2
http://www.gnc.com/product/index.jsp?productId=2133924
"2. GNC Ultra NourishHair
120 Tablets
247721"
qty:2
http://www.gnc.com/product/index.jsp?productId=2133781
"3. GNC Triflex
240 Caplets
281332"
qty:2
http://www.gnc.com/product/index.jsp?productId=4266766
hp: 85040778
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