==========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
想再跟一个耳温计
Item：Braun Braun Thermoscan Ear Thermometer With Exactemp Technology
Link: http://www.amazon.com/Braun-Thermoscan-Thermometer-Technology-IRT4520USSM/dp/B001FWXKMM/ref=sr_1_1?ie=UTF8&qid=1404352207&sr=8-1&keywords=Braun
Qty: 1
Price: $39.88 （超过这个价钱就不买了）
电话同上，谢谢团长啦
Link: http://www.amazon.com/Braun-Thermoscan-Thermometer-Technology-IRT4520USSM/dp/B001FWXKMM/ref=sr_1_1?ie=UTF8&qid=1404352207&sr=8-1&keywords=Braun
Qty: 1
Price: $39.88 （超过这个价钱就不买了）
电话同上，谢谢团长啦
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