등이다

In a sentence

• 나는 사과, 바나나, 오렌지 등을 먹고 싶다.

  I want to eat apples, bananas, oranges, and so on.

  Used to indicate examples in a series, often translated to 'and so on' or 'etc.' in English.

• 이 책에는 문법, 단어 의미 확장, 독해 기술 등이 포함되어 있다.

  This book covers grammar, vocabulary expansion, reading techniques, and so on.

  Used to summarize mentioned elements, implying there are additional items similar in nature.

• 그가 관심을 가진 주제는 철학, 역사, 문화 등이었다.

  The topics he was interested in included philosophy, history, culture, and so on.

  Indicates that the list provided is not exhaustive but representative of the scope of interest.