Steven Hsu says to Re: 從零開始的公園生活交流群 https://medium.com/@astromnhsu/024-%E6%95%B8%E4%BD%8D%E8%B2%A8%E5%B9%A3-iota-%E5%92%8C%E5%85%A8%E6%96%B0%E7%9A%84%E6%A9%9F%E5%99%A8%E7%B6%93%E6%BF%9F-5238bb6a00da