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intervention
政府は市場への介入を最小限に抑える方針だった。
The government's policy was to minimize intervention in the market.
第三者の介入なしに問題を解決するのは難しい。
It is difficult to solve the problem without third-party intervention.
国連が紛争地域に介入することで停戦が実現した。
A ceasefire was achieved through UN intervention in the conflict zone.