1. Deep still water flow: Deep still water flow implies that the author's writing has profound connotation and calm surface, but there are deep thoughts and feelings inside.
2. Solo: Solo means that the author thinks independently, does not go with the flow, and insists on his own views and positions.
3. station agent: station agent implies that WeChat official account is a platform for spiritual communication between the author and readers, providing comfort, support and help for readers.