Why is theroadnottaken called this name?

The name of the movie.

1, The famous American poet Robert Frost's poem "There is a Road Not Taken" (translated in Chinese as "TheRoadNotTaken") is also the origin of the title of this film.

2. Poetry excerpt: There are two roads in the yellow forest, but unfortunately I can't set foot in them at the same time. I stood at that intersection for a long time. I tried to watch a road.