Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Tafseer Al Saadi - Russian tafsir for Surah Al-Jinn — Ayah 21
قُلۡ إِنِّي لَآ أَمۡلِكُ لَكُمۡ ضَرّٗا وَلَا رَشَدٗا ٢١
Я - всего лишь раб и не властен над происходящим вокруг.