科学家对这个问题给出了明确的答案。

The scientist provided a ___definitive answer to the question.

许多专家避免在不确定时期做出明确的预测。

Many experts avoid giving ___definitive predictions in uncertain times.

法院的裁决被认为是最终的，并确立了法律先例。

The court's ruling is considered ___definitive and sets a legal precedent.