은행의

은행의

"Of the bank" or "bank's."

Here, '은행의' specifies the ensuing noun, '정문' (main entrance), as belonging to the bank, delineating a possessive relationship.

은행의 정문은 늘 깨끗하다.

The main entrance of the bank is always clean.

Here, '은행의' is used to identify the announcements as being issued by the bank, showing relevance and source.

우리는 은행의 공지사항을 따라야 한다.

We must follow the announcements of the bank.

In this sentence, '은행의' establishes the services mentioned ('몇 가지 서비스') as being provided by the bank, indicating association.

나는 은행의 몇 가지 서비스를 이용하였다.

I utilized a few services of the bank.