Intermediate | Correcting Subway Platform Announcements In subway announcements, it is more appropriate to use "발 빠지다" (bal ppajida) instead of "발빠짐" (balppajim) and "멀다" (meolda) instead of "넓다" (neolda). Learn about the difference and usage of "사이" (sai) and "간격" (gangyeok). "사이" is a native Korean word that
