General:
* The desert landscape was sparse, with only a few scattered shrubs.
* The library's collection of books on ancient history was sparse.
* The crowd at the concert was sparse, with many empty seats.
* After the fire, the forest was sparse, with only a few charred trees remaining.
Figurative:
* His explanation was sparse on details, leaving many questions unanswered.
* The evidence in the case was sparse, making it difficult to reach a verdict.
* Her vocabulary was sparse, but her words were powerful.
* The information available on the topic was sparse, making it difficult to research.
Technical:
* The sparse data matrix allowed for efficient computation.
* The sparse distribution of galaxies in the universe is a key observation in cosmology.
Remember that "sparse" generally conveys a lack of density or abundance. It can be used to describe both physical and non-physical things.