I just want to cross the world of mortals with you. What do you mean?

I want to experience everything in the world with you. Crossing the world of mortals means experiencing everything in the world, so I just want to cross the world of mortals with you and experience everything in the world with you. In addition, crossing the world of mortals also refers to a song, the popular song "Crossing the World of mortals" sung by mainland female singer Le Tong.