並前往https://davidhuang1219.pixnet.net/blog/post/307900442-%E5%84%B2%E8%93%84%E9%9A%AA%E5%90%AB%E7%94%9F%E5%AD%98%E9%82%84%E6%9C%AC%E9%87%91%28%E7%8F%BE%E9%87%91%E9%85%8D%E6%81%AF%29%E7%9A%84irr%E5%A6%82%E4%BD%95%E8%A8%88%E7%AE%97
