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entire world; whole world; world stage
世界全体に影響を与える問題だ。
This is a problem that affects the entire world.
世界全体で協力して感染症を封じ込めた。
The whole world cooperated to contain the infectious disease.
その映画は世界全体で大ヒットを記録した。
That film was a massive hit across the entire world.