This is the 2766th most frequent Korean word.
요인은
"요인은" means "factor" or "cause."
Here, '요인은' directly translates to 'factor is,' indicating that the word is part of a structure making it the subject of the sentence.
성공의 주요 요인은 노력과 끈기입니다.
The main factor of success is effort and perseverance.
In this sentence, '요인은' is used as 'the factor (is),' serving to introduce the topic under discussion, which is about factors in general.
요인은 상황에 따라 달라질 수 있습니다.
Factors can change depending on the situation.
'요인은' in this case refers to 'factor is,' highlighting a specific aspect deemed crucial to problem-solving.