For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.

基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。

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As influenza viruses pass from one person, or bird, to another, they normally pick up random changes in their genes because of errors in viral replication.

当流感病毒由一个人或一只鸟传给另一个人或鸟时，由于病毒复制错误，它们通常会带上基因中的随机变化。

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The random copying errors create differences in their code which dictate how well, or badly, they will perform in their simulated world.

没有规则的复制错误将在他们的编码中产生差别，这些编码用来表示虚拟世界中这些阿维达人状况的好坏.

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This does not mean that people are correct in what they believe about the future either: only that their errors are random.

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Instead of trying to eliminate this, he said, it should be embraced to produce so-called "stochastic processors" that are subject to random errors.

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The causes are not known but probably include a combination of inherited bad genes, bad diet (too much fat and red meat, too few vegetables) and random genetic errors that occur as cells divide.

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