===========跟单===========contact
item
URL
price
qty
remarks 价格浮动范围（没有备注默认任何价格都接受）
跟单
contant:97760328
Item:Braun Thermoscan Ear Thermometer with ExacTemp Technology, IRT4520USSM
URL:http://www.amazon.com/gp/aw/d/B001FWXKMM/ref=mp_s_a_1_1?qid=1398966716&sr=8-1&pi=SY200_QL40
Price:$39.88
Qty:1
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