This is the 19065th most frequent Korean word.
아세안이
"아세안이" refers to "ASEAN," the Association of Southeast Asian Nations.
In this sentence, '아세안이' is the subject particle indicating 'ASEAN' as the performer of the action of playing a role.
아세안이 경제적으로 중요한 역할을 수행하고 있습니다.
ASEAN plays an economically significant role.
Here, '아세안이' denotes 'ASEAN' as the entity that is strengthening cooperation.
아세안이 협력을 강화하면 지역 안정에 기여할 것입니다.
If ASEAN strengthens cooperation, it will contribute to regional stability.
In this case, '아세안이' functions to signify 'ASEAN' as the provider of the report.