없는데

In a sentence

• 나는 충분한 돈이 없는데 어떻게 살 수 있을까?

  I don't have enough money, so how can I live?

  In this sentence, '없는데' is used to indicate a statement of lacking something and its contextual implication on the discourse.

• 그 회사에는 내가 원하는 직업이 없는데 다른 곳을 알아봐야겠어.

  That company doesn't have the job I want, so I should look elsewhere.

  Here, '없는데' expresses the nonexistence of something and leads to an alternate plan or consideration.

• 학교에 필요한 자료가 없는데 오늘 수업을 어떻게 하나요?

  There are no necessary materials in school, so how can we have class today?

  The usage of '없는데' indicates a lack of required items and raises a question about how to proceed without them.