Complex sentence: In the case of Cherokee, the nasalized vowel is a schwa, which most orthographies represent as "v" and is pronounced as "u" in unstressed "but"; since it is nasal, it sounds rather like French "un".
Split into simpler sentences: In the case of Cherokee, the nasalized vowel is a schwa, which most orthographies represent as "v" and is pronounced as "u" in unstressed "but". Since it is nasal, it sounds rather like French "un".