在日趋激烈的商战中，一些商家纷纷打起了诸如“无效退款”、“不满意退货”等为广大消费者所熟知的“承诺牌”。有了商家的承诺垫底，消费者消费时就少了许多后顾之忧。然而，时下不少类似“无效退款”、“不满意退货”的所谓承诺最终无法兑现。当消费者发现真的“无效”、“ In an increasingly fierce commercial warfare, some businesses have played “promises” such as “invalid refunds” and “unsatisfied returns”, all of which are well known to consumers. With the bottom line of business commitments, consumer spending less on the many worries. However, nowadays many so-called promises like “invalid refunds” and “unsatisfied returns” can not be redeemed. When consumers find that they are really “ineffective,” "