By stealing the day Shrek was born, the conniving elf (in his plot to take over the kingdom) leaves the ogre to deal with a world in which he never existed.

VOA: standard.2010.05.27

We all know that. It has never existed.

我们都知道它从不曾存在。

耶鲁公开课 - 政治哲学导论课程节选

some people will end up doing something that they never knew existed,

有些人最终从事了他们听都没听过的的职业，

什么事情都是可能的 - SpeakingMax英语口语达人