This is the 4738th most frequent Korean word.
경제성이
"경제성이" means "economic feasibility" or "cost-effectiveness" in English.
The word '경제성이' is used to describe the economical aspect of the car.
이 자동차는 경제성이 뛰어나다.
This car is highly economical.
Here, '경제성이' emphasizes the need for selecting a product with beneficial economic properties.
경제성이 좋은 제품을 선택하세요.
Choose a product with good cost-effectiveness.
In this sentence, '경제성이' refers to the absence of economic practicality or cost-effectiveness of the plan.