换句话说，为使长期的自然选择规律发挥作用，必须依赖包含噪声的环境提供触发机制。

In other words, environment containing noise has to be relied on to furnish the triggering mechanism on which the long-term selection rule will operate.

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使你的开支有规律。

Total up your expenditures regularly.

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我们应当使日常生活规律化。

We ought to regulate our daily life.

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They are made of organic matter:the same rules, the same laws of chemistry that apply to what makes this laser glow green apply to what makes these photodetectors work.

而是由有机物制作的，同样的规律，它与应用于让激光的光芒变绿,以及使这些光电探测器工作,的化学是一样的规律。

麻省理工公开课 - 固态化学导论课程节选