The function of debate in the field of substantive wrongfulness is providing the base of explaining justification of action that keeps with constitutive elements of crime.
在实质违法性领域内争论的功能是为符合构成要件行为的正当化提供解释依据。
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"International law recognises that there are exceptional circumstances where necessity precludes wrongfulness, and this will be said to be one of those cases," Mr Sands told the BBC.