Except the closest relatives, everyone has to give money when going out to eat, and not all relatives are rich or expensive, so it is better to share the money equally.

Dinner is basically interpreted as a more formal light meal (such as meeting clubs or business meetings) that is usually served for the group in public canteens. Get together and have a more formal light meal in the public canteen, sometimes referring to the light meal that friends eat together after a long time.