並前往https://hre.pro.edu.tw/storage/download/teaching_material-ch-35-1479438801/%E5%9C%8B%E5%B0%8F%E6%95%99%E6%A1%88-%E6%87%82%E7%89%A0%E6%84%9B%E7%89%A0%E4%BF%9D%E8%AD%B7%E7%89%A0%E2%94%80%E6%88%91%E5%80%91%E7%9A%84%E9%84%B0%E5%B1%85%E7%9F%B3%E8%99%8E.pdf
