Speech fusion refers to the gradual convergence of two accents that communicate frequently without realizing it.
Lao Zhang and his wife have been married for more than ten years, and the eating habits of the family can no longer tell the difference between the north and the south. Even Mr. Zhang's northeast accent has almost lost its original flavor, and his wife's Cantonese has become strange. The daughter often teases them that they are the real husband and wife is voice fusion.