What are the official English words for love seats and elderly seats in subways and buses?

City seat

City seat appropriately translates the meaning of "courtesy". Courtesy also means "preferential treatment" in American English. For example, a preferential treatment card in a hotel, store or bank is called a courtesy card. When we take a bus, we should give preferential treatment to the elderly, the weak, the sick, the disabled and pregnant women. This is also a kind of love on our part. If you are still not satisfied with the courtesy seat, you can only directly copy the common Western term, that is, reserved seat (a special seat reserved for those in need).