You can't. When you choose to travel by taxi (online car), you need to do the following five things: First, passengers and drivers should wear masks during the taxi (online car); Two-way, that is, when the external temperature, driving speed and other conditions permit, properly open the window for ventilation; Three noes, that is, try to sit in the back row and don't touch the car supplies; Four scanning, that is, non-contact scanning code; Five washes, that is, wash your hands in time after getting off the bus, or wash your hands with hand-free disinfectant.