1, Yangliuyiyi comes from ancient poetry, which means that the willows sway gently, vividly depicting the vitality of spring, implying that life is picturesque and full of hope and vitality.

2. Yangchun Snow originates from ancient poetry, which means willow trees and snow in spring, implying the vitality and pure beauty of spring.

3. Yang Yang's self-satisfaction comes from the idiom "complacent", which describes his self-satisfaction and implies a confident, optimistic and positive attitude towards life.