2. Getting on the bus and getting off at jiaozi is not only a custom to greet guests for dinner, but also has a profound meaning.
3. jiaozi means reunion, reunion, and eating a jiaozi when guests leave means sending the most sincere wishes for the guests' departure. When it is necessary to meet the guests, eat noodles, which means long-term and long-lasting. For example, everyone is used to eating longevity noodles on their birthdays, which is also the meaning. Eating noodles when welcoming guests means long-lasting friendship.