並前往https://hre.pro.edu.tw/storage/download/teaching_material-ch-35-1479439172/%E5%9C%8B%E5%B0%8F%E6%95%99%E6%A1%88-%E6%88%91%E5%8F%AF%E4%BB%A5%E7%82%BA%E6%B5%81%E6%B5%AA%E5%8B%95%E7%89%A9%E5%81%9A%E4%BB%80%E9%BA%BC%EF%BC%9F.pdf