사이에

사이에

"Between" or "in the space of."

Here, '사이에' (between) specifies the location or spacetime context connecting two entities (desk and chair).

책상과 의자 사이에 가방이 있어요.

There is a bag between the desk and the chair.

In this sentence, '사이에' indicates the relationship or interaction context connecting two countries.

두 나라 사이에는 대화가 필요해요.

Dialogue is needed between the two countries.

Here, '사이에' is used to express an intermediate position and a social relationship between entities.

사이에 있는 이웃은 그리 친하지 않아요.

The neighbor that is in between is not very close.