==========跟单区(id, item, link, qty, price, contact) ====数量写最后要的数量即可，需要是4的倍数。
需要凑单的请在闲聊区召唤
跟单3
1GNC Total Lean Lean Shake - Vanilla Bean
1.7 lb(s).
933355
Price: $33.99
Member Price: $33.99
Qty： 2x2
1.7 lb(s).
933355
Price: $33.99
Member Price: $33.99
Qty： 2x2
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