====跟单（跟单请说明id/contact/item/qty/link/price）id
contact
item
qty (实际要的数量） 比如qty: 2 (buy one get 1 free)
link
price
跟单
Id: 浅野
contact：94243860
item 1: GNC Herbal Plus Standardized Ginkgo Biloba
qty: 2 (buy one get 1 free)
link: http://www.gnc.com/product/index.jsp?productId=4273789
price: $29.99
item 2: GNC Prenatal Formula with Iron 120 Caplets
qty: 2 (buy one get 1 free)
link: http://www.gnc.com/product/index.jsp?productId=4272005
Price: $19.99
contact：94243860
item 1: GNC Herbal Plus Standardized Ginkgo Biloba
qty: 2 (buy one get 1 free)
link: http://www.gnc.com/product/index.jsp?productId=4273789
price: $29.99
item 2: GNC Prenatal Formula with Iron 120 Caplets
qty: 2 (buy one get 1 free)
link: http://www.gnc.com/product/index.jsp?productId=4272005
Price: $19.99
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