constitutionalism
US /ˌkɑːn.stəˈtuː.ʃən.əl.ɪ.zəm/
UK /ˌkɑːn.stəˈtuː.ʃən.əl.ɪ.zəm/

1.
立憲主義
adherence to a system of constitutional government.
:
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The new nation was founded on principles of constitutionalism.
新國家建立在立憲主義原則之上。
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Scholars debate the historical evolution of constitutionalism.
學者們討論立憲主義的歷史演變。