並前往https://hre.pro.edu.tw/storage/download/teaching_material-ch-35-1497421213/%E5%9C%8B%E5%B0%8F%E6%95%99%E6%A1%88-%E5%B0%8F%E7%99%BD%E9%98%BF%E8%8A%B1%E4%BD%95%E8%99%95%E5%8E%BB.pdf