relating to a situation in which people are more likely to accept an argument based on their emotions and beliefs, rather than one based on facts

We need to stop the slide into a post-factual democracy. 我们需要阻止滑向后真相民主。

A post-fact world has emerged, in which virtually all authoritative information is challenged by facts of dubious quality. 一个后真相的世界已经出现，在这个世界里，几乎所有的官方信息都受到质量可疑的事实的挑战。