This is the 9936th most frequent Korean word.
공동기자회견에서
"At a joint press conference."
Here, '공동기자회견에서' is used as the location within which the event of announcing policies takes place.
공동기자회견에서 대통령은 중요한 정책을 발표했다.
At the joint press conference, the president announced important policies.
In this sentence, '공동기자회견에서' signifies the forum or setting where the dialogue occurred.
그는 공동기자회견에서 기자들의 질문에 답변을 했다.
He answered reporters' questions at the joint press conference.
The term '공동기자회견에서' is used here to indicate the formal event where the expression of cooperation intentions was made.