On the evening of November 17 (Beijing time), the International Cooperation Office of the University of North Iowa of the United States of America launched an online lecture for the 21st and 22nd level students and parents of the Chinese and American students majoring in international trade. The lecture was held smoothly. Teachers from the University of North Iowa for international exchanges explained in detail the relevant issues of the 2+2 project and the hot subjects of the business school. In addition, Zhou, a visiting scholar from the financial management major of the Business School of SDJU, also shared her experience of visiting students and put forward valuable suggestions to the students attending the meeting. At the same time, the representatives of students going abroad from Grade 19 also shared their experience of studying and living in the University of North Iowa. At last, the teachers of the University of Northern Iowa answered the questions of the students and parents and had friendly exchanges with them.