並前往https://www.cht.com.tw/home/campaign/greenearth/pdf/%E4%BA%8C%E7%8D%8E%E4%B8%AD%E7%8D%8E%E7%94%B3%E5%A0%B1%E4%B8%8B%E8%BC%89%E8%B3%87%E6%96%99.pdf
