A person's card is a qualification certificate. In some cities, if you don't have this card, you will be punished after being found.
Booking a taxi online means booking a taxi online. It mainly uses the Internet as a platform to receive drivers and vehicles, and provides taxi service through information sharing. It is not a cruise, but a non-cruise taxi service, which is needed for booking a taxi online. The implementation standard is the operation and management measures of the network taxi reservation supervision information exchange platform.