Taiyuan bus service license is not allowed to sit. What's the point of saying special approval?

What the subject wants to ask is, "Taiyuan bus retirement license is not allowed to sit. What is the use of retirement license?" Taiyuan bus retirement license can enjoy free or discounted ride on Taiyuan bus. According to the relevant public information, Taiyuan bus discharge certificate is a travel document issued to commend and treat veterans. Veterans who hold this card can enjoy bus concessions in Taiyuan. Special certificate is a kind of certificate specially set up by Taiyuan Public Transport to better serve retired soldiers, and it is a kind of respect and recognition for retired soldiers. If you have a special permit for Taiyuan bus, but it is rejected when you take the bus, it is because the staff on the bus don't know enough about the special permit, or there are some operational problems.