After graduating, I began studying Chinese historical geography because of my own interest, because my thesis was slanted towards regional studies, and at the urging of my professor and university president.
大學畢業後，一是因為本身興趣；二是畢業論文較偏地域研究；三是主任、學長的建議，於是開始中國歷史地理的研究。冷門大學問