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# 血的教训
## 执行之前
> 关于闭门造车后发现有更好的开源方案的教训
10分开发,7分找资料,开发之前一定一定一定要先找全部需要的资料和 ai 充分讨论对齐,时刻谨记主要次要的几个探问维度,是什么?为什么?怎么做?是最合适/优秀的方案吗?工具:perplexity