标签: Sift
Sift 应用介绍 – 购物降价后帮你要差价，还可解锁各类信用卡隐藏福利
今天我们介绍一个应用 - Sift，主要是根据信用卡福利来提供关于购物、旅游方面的一些福利。羊毛君主要用它来跟踪网上的订单，如果有降价或退货，它可以结合消费所用的信用卡，给出最好建议。
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亚马逊优惠
收集最新北美省钱技巧，信用卡技巧，积分里程使用技巧，帮助你成为一名合格的羊毛党。
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