不限 wheels fell off(轮子脱落|21/9.7%) safety concern(安全问题|19/8.8%) narrow seat(座位狭窄|9/4.2%) age appropriateness(不适合年龄|7/3.2%) weight limit(空间有限|5/2.3%) frequent falls(频繁摔倒|4/1.9%) disassembly issue(难以移动|4/1.9%) unstable(不稳定|3/1.4%) sturdiness issue(稳固性问题|3/1.4%) dirty tires(后轮弯曲|3/1.4%) selfassembly(自行组装)

不限 poor design(外观/设计不合理|17/10.1%) Size/Model Mismatch(尺寸/型号/颜色不匹配|16/9.5%) miss part(缺失部件|12/7.1%) setup issue(安装/使用困难|9/5.4%) Poor assembling(装配工艺差|8/4.8%) return product(用户退货|5/3.0%) poor customer service(售后服务差|4/2.4%) compatibility issue(兼容/适配问题|3/1.8%) package or ship issue(包装/运输问题|3/1.8%) over price(性价比低|3/1.8%) incorrect advertising(图文介绍不足|2/1.2%)