In each class , one group presents the case , and the other group is the discussant .

每堂课将有一组报告个案，另一组则加入讨论。

Discussant : angela sheng , department of art history , mcgill university .

盛余韵，麦基尔大学美术史系。

Discussant : zhao , nanhua , jilin institute of auditing research .

评论人：赵南华，吉林省审计研究所。

As the discussant points out , parsimony of diagnosis is an important standard in modern medicine ; however , this principle can fail us .

正如讨论者所指出的，诊断的简约性原则是现代医学的一个重要标准；但是，这个原则可能使我们诊治失败。

Jeremy stein of harvard university , a discussant of mr greenspan 's brookings paper , points out that low policy rates may have mattered a great deal for income-constrained borrowers .

哈佛大学的杰里米斯坦（jeremystein）格林斯潘此篇论文的讨论者之一指出，低水平的央行利率对低收入的借款人而言可能关系重大。