並前往http://web.ntpu.edu.tw/~jason/121marketing/20220408class/%E8%A1%8C%E9%8A%B7%E8%A8%88%E7%95%AB%E6%9B%B8%20-%20%E6%9C%9F%E4%B8%AD%E8%80%83%E8%A1%A8%E6%A0%BC.pdf