文史老师； 世界排名前30大学双硕士； 在北京八一学校； 上海光华学校等任职； 8年中国院校文史类； 经济类教学经验。 Holds double master's degree from one of the top 30 universities in the world, and holds positions in Beijing Bayi School and Shanghai Guanghua School. He holds rich teaching experience in literature, history and economics.