並前往https://hre.pro.edu.tw/storage/download/teaching_material-ch-35-1522723810/%E9%AB%98%E9%9B%84%E5%8B%95%E7%89%A9%E4%BF%9D%E8%AD%B7%E6%95%99%E8%82%B2%E5%9C%92%E5%8D%80%E6%A0%A1%E5%A4%96%E6%95%99%E5%AD%B8%20%E6%95%99%E6%A1%88.pdf
