What does "psychology" means to internet users who are not professionals but intrested in it？ I redo the experiment first done by 覃恺洋 and get some insights from it.
To be more specific, I crawelled the data from ["psychology tieba"][https://tieba.baidu.com/f?kw=%D0%C4%C0%ED%D1%A7&fr=ala0&tpl=5] with is website gather