但更痛的是口碑的持续滑坡和竞品带来的竞争，完美日记的产品以代工为主，研发投入占比极低，核心竞争力停留在包装、配色与营销概念，缺乏技术壁垒。当花西子、酵色、橘朵、彩棠等一大批国货彩妆品牌跟进内容种草+平替模式后，完美日记的差异化优势迅速消失。
Test constant: A 6-bit identifier from the microcode that tells the PLA what kind of check to perform.
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He taught himself to use digital tools, such as Photoshop, to design clothes he would want to wear and shared the ideas on TikTok.
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