First, crossing the gap means crossing obstacles and coming together again. Second, in real life, due to the different growth environment and education level, people often have huge cracks in their thinking and concepts, or even the opposite, so that the two sides are incompatible, have considerable prejudice and estrangement, and cannot communicate and communicate. Later, due to the efforts of both sides, barriers were broken, differences were eliminated, obstacles were crossed, and we shook hands and made peace.