This is the 1077th most frequent Korean word.
필요성을
The necessity or need.
The word '필요성을' (necessity) is used to denote the importance or need related to education.
교육의 필요성을 강조하다.
Emphasize the necessity of education.
Here, '필요성을' is applied to emphasize the importance or requirement of self-development in the context of individual growth.
개인의 성장에 있어 자기 개발의 필요성을 깨닫다.
Realize the necessity of self-development for personal growth.
In this example, '필요성을' describes the requirement or importance of technology in response to changing societal conditions.