一级理论和二级理论的区别

Ji Shaolei said: I think since it is this kind of business, it would be difficult for you to find ordinary businessmen or people from the officialdom, but what if you find people from the underworld? This kind of business is also a side project, and it will always have something to do with the underworld. Even if it doesn't work, someone in the underworld will get wind of it, don't you think?...