refundable deposit

例句：

1. 1. The policy allowsfor a refundable deposit of up to50% of the total cost.
   该政策允许最多50%的总费用作为可退还的定金。
2. 2. The hotelprovides a refundable deposit upon check-in.
   酒店在入住时提供可退还的定金。
3. 3. The deposit is refundable ifyou cancel your reservation within 24hours.
   如果你在24小时内取消预订，定金可以退还。