This is the 3195th most frequent Korean word.
고유가
"고유가" means "high oil prices" in English.
Here, '고유가' is used as a noun to refer to the situation of high oil prices.
고유가는 최근에 큰 관심사가 되었습니다.
High oil prices have recently become a major concern.
In this sentence, '고유가' is used causatively to indicate the reason for increased public transportation usage.
고유가로 인해 대중교통 사용이 증가하고 있습니다.
Due to high oil prices, the use of public transportation is increasing.
This usage of '고유가' highlights it as a condition influencing corporate strategies.