
In a vacuum
Real-world Context
Used to suggest someone is ignoring real-life situations or practical considerations.

Leaders should not develop policies in a vacuum, ignoring public opinion.
Metaphorical Use
Often used metaphorically to express isolation from external factors or isolation.

Trying to learn a language in a vacuum without speaking to native speakers is ineffective.
Emphasizing Consequences
Highlights the importance of consequences when making a decision or judgment.

Selecting a course in a vacuum could lead to regret if job prospects aren't considered.
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