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consistency
発言に一貫性がないと信頼を失う。
Without consistency in what one says, trust is lost.
このブランドは一貫性を持った製品開発で定評がある。
This brand has a solid reputation for product development with consistency.
政策に一貫性がなければ国民の信頼は得られない。
Without consistency in policy, the trust of the people cannot be gained.