Englishfor English speakers
optimal
Adjective
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If something is optimal, it is at the most favourable condition.
Finding the optimal balance between features and price is a common problem.
regime
Noun
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A regime is a government, especially a bad or illegal one.
Washington ended rule by the Taliban and established a new client regime in Afghanistan.
Questions about how Jews had been treated under the Nazi regime troubled him after he had settled in Germany.
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A regime is a plan or system.
Under Labour's new tax regime, families will be worse off.