Complex sentence: In ancient times, the Sampot Chang Kben was worn only by men, but in modern times, it is worn by both men and women, especially for a formal celebration; it is for instance worn by a bride and groom in a Khmer wedding.
Split into simpler sentences: In ancient times, the sampot chang kben was worn only by men, but in modern times, it is worn by both men and women, especially for a formal celebration. It is, for instance, worn by a bride and groom in a Khmer wedding.