💰 退款政策：2025年7月22日24:00前申请，可全额退款；2025年7月31日24:00前申请，可退50%；之后将不予退款，敬请理解。如需申请退款，请联系邮箱：urban-summit@outlook.com。
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💰 Refund policy: Full refund is available before 24:00 on July 22, 2025; 50% refund before 24:00 on July 31, 2025. No refund will be issued after that. Thank you for your understanding.To request a refund, please contact: urban-summit@outlook.com.
