1. Divide into upper and lower lines: progressive relationship of numbers. If the small number comes first, it is the first couplet. The contrast of "Four Seasons" in the front and "Eight Immortals" in the back is even more convincing in the progressive layers of celebration. Once there is one, there will be two. This is the rule.
2. Meaning: The auspiciousness of the four seasons indicates good times and good harvests this year. The blessings sent by the Eight Immortals conveyed the festive atmosphere and infected the gods in heaven, who also sent auspicious blessings. The overall expression of the festival atmosphere of harmony and joy between heaven and earth.