A person in the Song

The old man's name was Lü Yijian. He was a scholar of the Song Dynasty, serving as the Right Assistant Minister of the Secretariat and Grand Scholar of the Imperial Academy. He was also known as the Duke of Shen.,After thinking for a moment, Yan Shu asked, "How is that person doing",He still thought the elderly used smart phones or cellphones less, so he wanted to remind An Shu with a landline.。