2. They have been discoursing learnedly on this problem. 他一直在深入研究这个问题。
3. Presentation of an example of what the lecturer is discoursing about. 提供一个关于演讲者论述内容的范本。
4. Discoursing upon the procreating of the cultural imperialism and its influences; 论述了文化帝国主义的产生与影响;
5. The Master said, "One who aspires after the Way but is ashamed of poor clothes and poor food is not worth discoursing with." 孔子说,“求知者立志于仁义之道,却又以粗衣糙食为羞,这样的人怎么值得和他论道呢。”