And people give presentations and this is a photo of someone giving a presentation in a positive psychology summit.

被邀请进行讲座，这是一位学生,在积极心理学峰会上作讲座的照片。

哈佛公开课 - 幸福课课程节选

You can be reflect about how you do this, but there is slightly different function that person giving a presentation has.

你可以想想你可以怎么做这个，对于做陈述的那个同学来说,要求有一点不同。

麻省理工公开课 - 电影哲学课程节选