Is there a difference between the event time and the group formation time limit for Joint Orderg activities?

中文 The event time of a Joint Orderg activity refers to the time period set by the merchant for the Joint Orderg event. The group formation time limit refers to the time restriction for users to invite friends to participate in the Joint Orderg. For example: If a merchant sets a Joint Orderg activity from 00:00 on the 26th to 12:00 on the 26th, the event time is 12 hours. If User A starts a Joint Orderg at the beginning of the event, their group formation time limit is 12 hours. If User B starts a Joint Orderg at 10:00 on the 26th, the validity period of User B's Joint Orderg is 12 - 10, leaving 2 hours.