This is the 2170th most frequent Korean word.
장점이
"장점이" means "advantages" or "strengths" in English.
In this context, '장점이' is used to identify and highlight the positive feature (advantage) of the subject '휴대폰' (cellphone).
이 휴대폰의 가장 큰 장점이 바로 긴 배터리 수명입니다.
The greatest advantage of this cellphone is its long battery life.
Here, '장점이' is used to discuss a personal trait that is considered beneficial or advantageous about '그' (he/him).
그의 장점이 그의 솔직한 성격인 것 같습니다.
His advantage seems to be his honest personality.
In this example, '장점이' refers to the beneficial aspects or advantages of '프로젝트' (the project), serving as the topic for discussion.