First, the word is misspelled; it should be "one day." Secondly, this thing is neither legal nor illegal in the country; how many times do I have to say it? In short, it is not protected by law, understand? The Communist Party does not want you to engage in these activities on an ideological level, but they also do not want to admit that this thing is legal, after all, it's hard to control and they lack the ability. Sheep? Just be obedient; how can I manage you if you engage in these activities? Definitely not good, understand? Elementary school students.