https://hungwenlin.com/blog/2020/%e5%be%9e%e8%ad%b7%e5%9f%8e%e6%b2%b3%e8%a7%80%e9%bb%9e%e7%9c%8b%e4%b8%ad%e7%be%8e%e6%99%b6%e8%88%87%e7%92%b0%e7%90%83%e6%99%b6-%e9%95%b7%e7%b7%9a%e6%8a%95%e8%b3%87%e4%ba%ba%e5%a6%82%e4%bd%95%e6%89%be/
從護城河觀點看中美晶與環球晶 長線投資人如何找到平凡到卓越的投資標的?