So let's, in order to fix ideas for this discussion, take an actual example.

为了进一步限定讨论的话题，我们举个真实的例子。

耶鲁公开课 - 公正课程节选

Creatures like Spock and Data don't exist in the real world but there are unusual and unfortunate cases where people lose, to some extent or another, their emotions.

像斯帕克和Data一样的生物,不会存在于真实世界,但是有不平常的，不幸的例子,人们在某种程度上失去了情感。

耶鲁公开课 - 心理学导论课程节选