You need some basis to make these big decisions, and credible data proved crucial in the case of Aceh.

作决策时，必须要具备一定依据，而可靠数据已被证明对亚齐省发挥了重要作用。

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In others, such as Britain, the brain's stem is regarded as the crucial part. In this case simpler tests can be applied, such as whether a patient's pupils react to light.

而在其他地方，例如英国，脑干则被视为关键的部分，这样，就能应用更加简单的测试，例如病人的瞳孔是否能够对光线做出反应。

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His evidence proved crucial to the legal case.

他的证词对这一案件至关重要。

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Goldstein said he expected Caldwell would testify against Blake, but said he did not think the testimony was crucial to the prosecution's case.

CNN: Blake lawyer: Police 'desperate' to make case

The court heard arguments in February, only to kick the case back with a crucial question: Does the Alien Tort Statute allow such lawsuits at all?

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And what ought to be particularly skeptical when the fact that is concealed or isn't fully revealed is claimed by the prosecutors themselves to be crucial to their case.

CNN: Transcript: White House Counsel Ruff's opening statement