==========跟单区(id, item, link, qty, price, contact)， 越线直接忽略，不下单====必须给电话，可以站短，没有电话的直接忽视
并且希望注明价格浮动范围，即超过多少钱就不要了
跟单，希望这次发的出去
link: http://www.amazon.com/Polar-Heart-Rate-Monitor-Watch/dp/B00EJJM25Y
item: Polar FT7 Heart Rate Monitor Watch
color: Blue/Lilac
price: $76.49 & FREE Shipping
qty: 1
contact name: haoball
contact number: 久一零六久一三六
item: Polar FT7 Heart Rate Monitor Watch
color: Blue/Lilac
price: $76.49 & FREE Shipping
qty: 1
contact name: haoball
contact number: 久一零六久一三六
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