<https://languagelearnerguide.com/#/schema/person/79d390eaed88f360147817cc47465545>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://languagelearnerguide.com/learn-chinese-live-24-7-%F0%9F%94%B4-chinese-words-and-expressions-for-everyday-life-%E2%9C%94/>