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消费者索要发票,商家不得加收费用发票不仅是购物凭证,在消费者权益受到损害时,又是要求赔偿的重要证据。为此,消
Consumers claim invoices, businesses may not charge additional fees Not only proof of purchase invoices, consumer rights and interests are harmed, it is also an important proof of claim for compensation. To this end, elimination