===============跟单区，id, item,qty,link,price,contact============没有电话不下单哈，可以站短
数量就是买一送一以后的数量
跟单(第一次)
id : shyqiu
item : L-Carnitine 500
Qty : 2 (buy 1 get 1 free)
Link : http://www.gnc.com/product/index.jsp?productId=2133324
Price : Now $42.99 (buy 1 get 1 shall be 21.5)
Pick up : Jurong East
Contact : 86116244
item : L-Carnitine 500
Qty : 2 (buy 1 get 1 free)
Link : http://www.gnc.com/product/index.jsp?productId=2133324
Price : Now $42.99 (buy 1 get 1 shall be 21.5)
Pick up : Jurong East
Contact : 86116244
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