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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MacBook Neo was built from the ground up to be Apple’s lowest-carbon MacBook, and brings the company even closer to reaching its ambitious plan to be carbon neutral across its entire footprint by 2030. It features 60 percent recycled content — the highest percentage of any Apple product.8 This includes 90 percent recycled aluminum overall and 100 percent recycled cobalt in the battery. The enclosure is manufactured with a material-efficient forming process that uses 50 percent less aluminum compared to traditional machining methods. MacBook Neo is manufactured with 45 percent renewable electricity, like wind and solar, across the supply chain. It also meets Apple’s high standards for energy efficiency and safe chemistry. Additionally, the paper packaging is 100 percent fiber-based and can be easily recycled.9