最直观的是营销成本失控。完美日记的增长高度依赖营销投放，营销费用率常年居高不下，甚至一度超过 60%。随着小红书、抖音等平台流量成本逐年攀升，获客成本成倍上涨，烧钱换增长的模式在资本退潮、市场冷静的背景下，失去了可持续性。
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"This was the worst mistake of my life."。关于这个话题，搜狗输入法2026提供了深入分析
In its most recent third quarter report, Reddit reported 116 million daily active users worldwide, an increase of 19% compared to the same period the year before.