https://blog.wongcw.com/2022/04/24/%e7%a0%94%e7%99%bc%e6%8a%95%e5%85%a5%e4%b8%8d%e8%b6%b33%ef%bc%8c%e7%b6%b2%e7%b4%85%e9%98%b2%e6%9b%ac%e7%9a%84%e9%bb%91%e7%a7%91%e6%8a%80%e8%ac%8e%e5%b1%80/
研發投入不足3%,網紅防曬的“黑科技”謎局