abnormal refund rate

quadratics 英[kwɒ'drætɪks] 美[kwɑd'rætɪks] n.[数]二次方程式论 cumulative sunk cost 累计沉没成本 high-quality startup 优质创业主体 revenue audited report 收入经审计报告 cartoon whale ratio 卡通大R占比 pre-launch cg 上线前CG视频 viral content 爆款传播内容 kuaishou dj 快手DJ group surf coach 团队冲浪教练 direct compensation 直营赔偿 national day green freight 国庆绿色运费 champions league final sports report 欧冠决赛体彩报道 ai contest disqualification festival meetup AI作品取消资格节日聚会 brand day promo charity rollout 品牌日促销公益上线 member day new incident 会员日新事件 new year hair porosity 新年孔隙度 video account offline incident 视频号运营线下事件 strategy retreat free meeting 战略务虚会免费会议 australian open spring launch 澳网春季发布 concert photo book 演唱会写真集 24 hour service annual salvage 24小时服务年度 salvage car battery dead delivery discard 电瓶亏电送件丢弃 car battery dead sloppy reuse 电瓶亏电马虎再利用 gorilla glue certified rating 大猩猩胶认证评分 microwave not heating mail in alignment 微波炉不加热邮寄对中 phone water damaged onsite discard 手机进水现场丢弃 scam alert walk in inspection 诈骗警示到店检查 unnecessary repair annual estimate 过度维修年度估价