为80岁母亲手机设三重“防骗墙”失效，“技术男”把亲身经历告诉大家引以为戒
The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
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它可能会诞生赢家，但赢家不会是所有人。