=====跟单 (id, item, link, qty, price, contact)==========ID：
contact number （必须留；可以站短，没有电话不下单）
item:
link:
qty:
price:
remark:(amazon 的价格每天都变的，注明下什么价格以上就不要的，或者是无论什么价格都要的）
跟单
跟单
item: Tiny Love Take-Along Arch
link: http://www.amazon.com/Tiny-Love-Take-Along-Sunny-Stroll/dp/B000S9RF4M/ref=sr_1_sc_1?s=baby-products&ie=UTF8&qid=1371315389&sr=1-1-spell&keywords=stroller+toyes
px: 19.18
contact: 97690805 高家小野猪
item: Tiny Love Take-Along Arch
link: http://www.amazon.com/Tiny-Love-Take-Along-Sunny-Stroll/dp/B000S9RF4M/ref=sr_1_sc_1?s=baby-products&ie=UTF8&qid=1371315389&sr=1-1-spell&keywords=stroller+toyes
px: 19.18
contact: 97690805 高家小野猪
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