並前往https://www.ylsh.mlc.edu.tw/uploads/course_material_file/file/56cbc4411d41c86b900013e4/ch2-1%E6%B8%85%E4%BB%A3%E7%9A%84%E6%94%BF%E6%B2%BB%E7%B6%93%E6%BF%9F%E7%99%BC%E5%B1%95.doc