When laughter and water sound blend together, they will form a harmonious, natural and beautiful state, just like playing a beautiful piece of music. Talking about the fusion of laughter and water, it is like playing a song of friendship. Literally understood, it means that when laughter and water fuse together, a harmonious, natural and beautiful state will be formed, just like playing a song of friendship. The general meaning of beautiful music is a vivid metaphor. This state is full of yearning and desire for love and harmony.