What does it mean that the road is flat and leads to the distance?

The road is flat and leads into the distance, which symbolizes people's hard work and pursuit of distant dreams in their ordinary lives.

The road seems smooth, just like the lives of most of us, ordinary and peaceful;

The road leads all the way into the distance, symbolizing that the dreams of each of us seem to be just around the corner. It’s a long way, but no one knows how long it will take to reach the end of this road, and no one knows whether we can reach the end of this road. Just like our dreams, we don’t know when they will be realized, and we don’t know when they will be realized. .