=========跟单区（id,item, qty, link, price, contact)=============
跟单
Id：yupipi
Item：GNC Prenatal Formula with Iron, 120 Caplets
Qty: 1
Price: $19.99
Member Price: $15.99
Contact:96886708
Item：GNC Prenatal Formula with Iron, 120 Caplets
Qty: 1
Price: $19.99
Member Price: $15.99
Contact:96886708
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