=========跟单区（id,item, qty, link, price, contact)=============
跟单
item: Burt's Bees Super Shiny Shampoo, with Mango 10 fl oz (300 g)
Qty:1
link: http://www.drugstore.com/burts-bees-super-shiny-shampoo-with-mango/qxp376864?catid=183499
price: $7.99 ( before extra 20% discount)
上次没货，这次接着下
Qty:1
link: http://www.drugstore.com/burts-bees-super-shiny-shampoo-with-mango/qxp376864?catid=183499
price: $7.99 ( before extra 20% discount)
上次没货，这次接着下
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