並前往https://hre.pro.edu.tw/storage/download/teaching_material-ch-35-1479441301/%E5%9C%8B%E5%B0%8F%E6%95%99%E6%A1%88-%E7%8F%8D%E8%A6%96%E5%8B%95%E7%89%A9%E3%80%81%E6%9C%89%E6%95%88%E4%BF%9D%E8%AD%B7.pdf