阐释是指你必须揭示给听众的任何背景信息。

Exposition is whatever background information you have to reveal to the audience.

youdao

在这两个服务员透露了所有这些背景信息之后，我们去见这个年轻人。

After the two servants reveal all this background information, we meet the young man.

youdao

在没有其他信息可提供的条件下，研究人员要求他们估计威廉姆斯先生的工资、职业地位和教育背景。

With little else to go on, they were asked to estimate Mr. Williams's salary, professional standing, and educational background.

youdao

Cos I ask them to go back to interview their parents or whoever they could find out information about themselves, just like the professor was interviewing people to find out his own background and his family, I want them to go home, and interview their parents or grandparents, or aunts and uncles.

因为我让他们回家去采访,父母或任何他们能搜集到,关于自己信息的人，就像教授采访人们,来发掘自己的背景和家庭，我希望他们回家去，采访他们的父母,或爷爷奶奶，或舅舅舅妈。

麻省理工公开课 - 媒体、教育、市场课程节选