It means that the same person always logs into the dating hall under different accounts.

1. Definition of vest in dating house: When a real person registers more than two (including two) IDs for use at the same time, the commonly used or familiar ID is generally called the main ID, and the other IDs are called vest ID, which is called vest for short.

2. Based on the virtuality of the network and the multifaceted nature of people, vest is a ubiquitous and indelible phenomenon in the network virtual society. The existence of vest makes the network closer to human nature and more attractive than the real society.