==========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
item1: OXO Tot Formula Dispenser, Aqua
link: http://www.amazon.com/dp/B00620481E/ref=twister_B007EBX8F2
qty:1
price: $4.99
item2:Baby Einstein Bendy Ball
link:http://www.amazon.com/Baby-Einstein-30974-Bendy-Ball/dp/B001UF8BL4/ref=pd_sim_t_3?ie=UTF8&refRID=046NATAHB9ZPJSPDREGY
qty:1
price:$6.78
contact: 九七七六零三二八
link: http://www.amazon.com/dp/B00620481E/ref=twister_B007EBX8F2
qty:1
price: $4.99
item2:Baby Einstein Bendy Ball
link:http://www.amazon.com/Baby-Einstein-30974-Bendy-Ball/dp/B001UF8BL4/ref=pd_sim_t_3?ie=UTF8&refRID=046NATAHB9ZPJSPDREGY
qty:1
price:$6.78
contact: 九七七六零三二八
Huasing Association 1999 - 2013