https://cn.vogon.today/%e5%8a%a0%e5%af%86%e8%b2%a8%e5%b9%a3/stock-to-flow-creator-planb-%e8%b3%bc%e8%b2%b7%e4%ba%86%e6%9b%b4%e5%a4%9a-btc-%e4%b8%a6%e8%a7%a3%e9%87%8b%e4%ba%86%e7%82%ba%e4%bb%80%e9%ba%bc%e7%8f%be%e5%9c%a8/