Do I have to pay after booking a hotel with a cash coupon?

The cash coupon is a discount for you on the same journey. So you can't directly deduct the room rate at the hotel. When you book a product with the word "refund" online, the system will automatically help you use the cash coupon equivalent to the word "refund". After you check in, the system will return the previously used cash coupons to your Tongcheng account in the form of comment bonus. If the accumulated amount exceeds 200, you can apply for withdrawal.

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