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."
这场悲剧，并非孤立事件。它是母亲长期陷入各种骗局的一个高潮。
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通貨膨脹迫使家庭縮減支出。米娜說，她家已不再購買品牌商品，自2017年以來也未曾出國旅行。