When spring comes to this world, there is a lot of happiness. What is the first part of the prosperous family scene?

In the heyday, the family scene is the first part. According to the relevant public information displayed in the query, we can distinguish the up and down links by tone, that is, look at the tone of the last word of the upper link, three or four tones are the upper link, and one or two tones are the lower link. The scene is the third sound, so it is the first part. Thick is the second sound, so it is the second part.