But I think you can see the big themes of the book already very present in the opening scene of the dialogue.

但我想你们已可以看出本书的大主题,在对话一开始,即非常明显地点出。

耶鲁公开课 - 政治哲学导论课程节选

These students improved significantly more than any of the other students.

这些学生也有明显进步,比其他任何学生的进步都大。

哈佛公开课 - 幸福课课程节选