We make inferences to the existence of things we can't see, when doing that helps us to explain something we can't otherwise explain.

我们推断一些看不到的事物的存在,因为这样做可以便于我们,解释某些我们不相信就无法解释的事情

耶鲁公开课 - 死亡课程节选

With the goal as the best as the possible was to make Some inferences about learning outcomes, And how will the teachers use the materials to effectively help the students learn.

目标是尽可能,推断出学习成果，老师如何使用材料,来有效地帮助学生学习。

麻省理工公开课 - 媒体、教育、市场课程节选