On the afternoon of June 4, 2015, at 13:20, Professor Bai Junfei of China Agricultural University School of Economics and Management, at the invitation of Professor RuiFa Hu, gave an academic report entitled "Economic Research on of food waste" at room 510 in the main building. The lecture was hosted by Professor Ruifa Hu, and more than 20 graduate students from the Department of Applied Economics and the Department of Management Science and Engineering attended the lecture.