(a) The role of this course in discipline development. If there is no similar course in the discipline, please describe the role of this course in the curriculum; if there is a similar course in the discipline, please focus on describing the difference between this course and the existing one.(b) The role of this course in graduate education. Please focus on what abilities of postgraduates can be improved.(c) Preparations related to this course. Please focus on the ways in which the two roles mentioned above can be achieved, including instructor(s), teaching methods, teaching contents, credit hours allocation and assessment methods of this course as well as textbooks and main reference materials.