这是一个复杂的系统，数据被复制到多个中间设备，通常是为了在数百万人同时试图访问服务时加快文件访问速度。

It's a complex system wherein data is copied to multiple intermediate devices, usually to speed up access to files when millions of people are trying to access the service at the same time.

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一般来说，一个更复杂的系统比一个简单的系统更容易崩溃。

A more complicated system is, in general, more likely than a simple system to break down.

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我们确实也有更复杂的系统用于空间供暖，它们分为两类，被动供暖系统和主动供暖系统。

We do also have more complex systems that are used for space heating and they fall into two categories, passive and active heating systems.

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All of that somewhat complicates the picture, but at the same time, I think you can see that there is a connection between those semiotic systems.

这理解起来可能很复杂，但是你们还是能看到,这些符号系统间的一些联系。

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And to give you, again, a feeling for the complexity of these systems, the cerebellum contains approximately 30 billion neurons.

小脑包含大约三百万个神经元,这也能够让你再次体会到,这些系统的复杂性

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In the immune system you could think of it as an even more complex set of outcomes that occur.

免疫系统是一个,有更多复杂结果的大集合

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