사각지대나

In a sentence

• 차가 지나갈 때 사각지대를 조심하세요.

  Be cautious of the blind spot when a car passes.

  The term '사각지대' refers to the 'blind spot,' an area that is not visible to the driver. '사각지대를 조심하세요' uses it to warn about being careful.

• 모든 사각지대를 제거하려는 기술을 개발하고 있습니다.

  We are developing technology to eliminate all blind spots.

  Here, '사각지대' is used metaphorically to indicate areas of limitation or lack of visibility that the technology aims to address.

• 밖에 서 있을 때 사각지대에 있던 고양이가 튀어나왔습니다.

  When standing outside, a cat jumped out from the blind spot.

  The sentence uses '사각지대' to describe a physical area that was not visible or apparent from a certain vantage point.