사각지대

blind spot

Explanation

〔死角地帶〕

[사각찌대]

1. blind spot
A place not visible from any angle.

2. blind spot
(figurative) A place that goes beyond a person's interest or influence

Examples
사각지대가 발생하다
사각지대가 생기다
사각지대를 발견하다

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