If there were no standards, we would soon notice. Standards make an enormous contribution to most aspects of our lives, - although very often, that contribution is invisible.

如果没有标准，我们不久就会注意到标准在我们的生活中则起着巨大贡献，尽管这种贡献常常不被我们所看到。

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So these natural forests, if we allow them, still have an enormous contribution to make to helping Australia address the climate change problem.

所以这些天然森林如果我们愿意，它们还可以有很大的贡献，帮助澳洲处理气候变迁的问题。

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