Literature Reference: Sand geese sail together, while field crows cry by the shore. Source from 'Chu Shang Chuan Liu Ji'.
沙: Sand, grains of sand.
雁:
The wild goose, flying in formation, often symbolizes in a name a person with grand aspirations, ideals, and a clear sense of purpose.
Meaning: Sand geese symbolize freedom and long journeys, representing the pursuit of dreams and lofty aspirations.