This is the 17216th most frequent Korean word.
서울교통공사에서
"At Seoul Metro."
The phrase '서울교통공사에서' specifies the organization responsible (Seoul Transportation Corporation) performing the action (reorganizing bus routes).
서울교통공사에서 버스 노선을 새로 개편했어요.
Seoul Transportation Corporation has reorganized the bus routes.
The phrase '서울교통공사에서' indicates the source (Seoul Transportation Corporation) from which information is being provided.
서울교통공사에서 지하철 운행에 대한 정보를 제공해 줍니다.
Seoul Transportation Corporation provides information about subway operations.
The phrase '서울교통공사에서' shows the origin (Seoul Transportation Corporation) involved in conducting activities (events).