传统宠物寄养长期处于高度非标准化状态。行业依赖经验、责任心和熟人信任，很少有统一流程，也很少有透明化管理。这种模式在平时尚可运行，但在春节这种需求高峰期，问题会被无限放大：价格不标准、寄养环境差、突发变动多……
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But e-bikes containing lithium-ion batteries are a newer challenge. "When a battery fails, it doesn't necessarily ignite, it will often produce some off-gases," says Stephen Welch, senior lecturer at the University of Edinburgh's Fire Research Centre. "Those off-gases are toxic and flammable. If they accumulate, you can have an explosion risk."