This is the 15083rd most frequent Korean word.
발전시켜
"To develop" or "to advance."
In this sentence, "발전시켜" is used to imply the act of actively progressing or developing something, specifically knowledge and skills.
지식과 기술을 발전시켜 산업을 강화하고 있습니다.
We are enhancing knowledge and skills to strengthen the industry.
Here, "발전시켜" emphasizes the importance of improving or advancing society.
새로운 기회를 만들어 사회를 발전시켜야 합니다.
We must create new opportunities to advance society.
The term "발전시켜" in this context indicates the effort to develop or refine energy efficiency.