通过使这些分歧变得具体明朗化，他们就能够做出一些建设性的谈话并且为决策制定作出一些规定！

By making these differences concrete and conscious, they were able to have a constructive dialogue that led to ground rules for decision-making.

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但是，没有一个关于成本并符合国家标准的综合性计划，彻底更新国家电力系统的前途并不明朗。

But without a comprehensive plan to cover costs and consensus on a national standard, a true upgrade of the nation's system doesn't look so bright.

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更进一步来看，主要致病原因仍不明朗，它造成的结果是，很难制定一个统一标准来考察干涉方案的适宜性。

Furthermore, the ultimate cause of the disease remains obscure, which makes it hard to gauge the appropriateness of an intervention.

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