This is the 6231st most frequent Korean word.
시내버스
City bus.
Here, '시내버스' is used as the object of the verb '타다' (to ride), indicating that the city bus was the means of transportation.
시내버스를 타고 학교에 갔어요.
I took the city bus to school.
In this case, '시내버스' is describing the noun '노선' (routes) with specific reference to city buses, showing possessive context.
시내버스 노선이 바뀌었대요.
The city bus routes were changed.
Here, '시내버스' is the subject of the sentence used to refer generally to city buses.