This is the 1637th most frequent Korean word.
부부는
"부부는" means "a married couple (is/are)."
In this context, the word '부부는' (married couple) marks the topic of the sentence, referring to a general notion of married pairs.
부부는 서로를 이해해야 합니다.
A married couple must understand each other.
Here, '부부는' specifies the husband and wife as the subject of the sentence, emphasizing their joint action.
부부는 집안일을 함께 해요.
The husband and wife do housework together.
This usage of '부부는' focuses on describing the responsibilities associated with being a married couple and their shared efforts to sustain their relationship.