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ZDNet AI · 2026/7/31 08:30:41

How long should you keep your phone for? I did the math - it's likely not what you think
AI 中文解读
换手机这事,大家总纠结“用多久才值回票价”。ZDNet一篇报道用数学帮你算了一笔账,结论可能颠覆你的认知:手机并不是用得越久越划算。
作者发现,按照平均更换成本算,最佳更换周期往往是“每年一换”。因为手机每年都在贬值,虽然新机贵,但旧机在二手市场还能卖出不错的价格。摊到每天的成本,其实比一部手机硬撑四五年更低,而且用起来体验更好,电池也不焦虑。很多人觉得一部手机用三四年最省钱,实际上是掉进了“折旧黑洞”。
当然,这个结论不是让你盲目追新。它给普通人的启发是:如果你每年都换手机,其实没那么“败家”;反过来,如果你习惯一用到底,也要做好准备,承担维修、电池老化和性能跟不上的隐性成本。看完这篇分析,你至少能更理性地看待“换机”这件事,而不是凭感觉或跟风。
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