Some explanations from anybody:-
Let us have the dinner banquet, meal first
When we have a moment in time and then fix a time for later schedules.
It means to catch up later on.
Then fix a time for shopping,
-- fix a time for friendship, Buz, etc.
2013-04-04 21:40:09 補充:
catch up =update & talk about the separation of the recent break-up of the divorce.