This is the 2751st most frequent Korean word.
예산은
"예산은" means "budget is" in English.
In this sentence, '예산은' refers to the budget, marking the topic of the sentence.
예산은 충분하지 않아요.
The budget is not sufficient.
Here, '예산은' is used to signal the topic being discussed, which is the budget in relation to increasing it.
예산은 늘리는 것이 어렵습니다.
Increasing the budget is difficult.
In this instance, '예산은' introduces the yearly budget as the main subject of the statement.