Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
English Al-Mukhtasar tafsir for Surah Al-Mutaffifin — Ayah 31
وَإِذَا ٱنقَلَبُوٓاْ إِلَىٰٓ أَهۡلِهِمُ ٱنقَلَبُواْ فَكِهِينَ ٣١
When they returned to their families they would go back happy with their acts of disbelief and ridicule of the believers.