Examples of using "효율적인" in a sentence and their english translations:
there are efforts to develop higher-efficiency LEDs,
for households that would otherwise be using open fires to make their food.
They appreciate competition, they love effective communication.
efficient transportation from Brazil to China;
I began to see it as oddly, almost perfectly natural
and figuring out the most efficient route
And North Korea’s SCUD missiles are highly effective within 1,000 km.