二八定律
https://magimg.hao0517.com/pic/20220822/1661128010704971_523.jpg?watermark/1/image/aHR0cHM6Ly9tYWdpbWcuaGFvMDUxNy5jb20vcGljLzIwMjAxMDE2L3FpX25pdV8xNjAyODMzNzgyMTE3XzExNF81NTJfNTE4LnBuZw==/dissolve/50/gravity/SouthEast/dx/20/dy/20支持住了 已知曉
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