The theory of complexity shows that although a system may have an optimum state, it is sometimes so hard to identify that the system never settles there.

复杂性理论表明，尽管系统可能存在最优状态，但是有时候我们会发现系统从不处于最优状态。

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This optimum state is not only elusive, it is also hyper-fragile to small changes in the environment, and therefore often irrelevant to understanding what is going on.

这种最优状态不但难寻其踪，而且对于来自外部的微小扰动极其敏感，因此它对于系统的演化往往无足轻重。

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The optimum state of health helps boost confidence towards your career.

最佳的身体状况可以增强你对事业的信心。

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"The optimum timing has to be governed by the state of the economy, which is currently very fragile, " Treasury spokesman Vince Cable said.

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