===============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： 和暖
item：GNC Women's Evening Primrose Oil 1300
qty： 2
link：http://www.gnc.com/product/index.jsp?productId=4271922&cp=4046473.13384936
price： 27.99
item： GNC Women's Collagen
qty： 2
link: http://www.gnc.com/product/index.jsp?productId=11685686
price: 24.99
item: GNC Multi Mega Minerals
qty: 2
link: http://www.gnc.com/product/index.jsp?productId=2133415
price: 9.99
contact: 90398076
item：GNC Women's Evening Primrose Oil 1300
qty： 2
link：http://www.gnc.com/product/index.jsp?productId=4271922&cp=4046473.13384936
price： 27.99
item： GNC Women's Collagen
qty： 2
link: http://www.gnc.com/product/index.jsp?productId=11685686
price: 24.99
item: GNC Multi Mega Minerals
qty: 2
link: http://www.gnc.com/product/index.jsp?productId=2133415
price: 9.99
contact: 90398076
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