What do you mean, alternate? What do you mean, alternate?

alternate[beacandate； Beanalternate] Vacancy clearing system Since ancient times, officials who have not been granted vacancies have obtained the qualification of candidates in the official department, and the official department has compiled a list of petition distribution officials, and they have been assigned to a certain department or province by drawing lots once a month according to their positions, qualifications and shifts, which is called standby.

Standby is a waiting state, which is usually used in transportation, tourism, medical care and other fields. In the field of transportation, standby refers to the unsuccessful reservation of air tickets, train tickets, hotel rooms, etc. Instead, wait for the opportunity to book successfully.

Buying a train ticket candidate means that when passengers buy tickets through the online system or mobile phone client, they find that the tickets and seats of the train have been sold out. Displaying the waiting list means that we can make an appointment and passengers can submit the waiting list first.