https://www.krt.com.hk/post/898/%e8%aa%8d%e9%8c%af%e6%9c%89%e5%a4%9a%e9%9b%a3-%e3%80%90%e6%84%9b%e6%9c%89%e9%81%93%e3%80%91%e5%b0%88%e6%ac%84/
認錯有多難 -【愛有道】專欄