That's because the problem isn't usually with the brain structures themselves. Instead, the trouble comes from the way those structures are communicating with each other.

这是因为这些疾病的主要病因不是源自脑部的结构问题，而是源自大脑各个部分之间通信的问题。

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We don't need to really talk about all the molecular detail in order to completely describe a DNA or an RNA molecule because these structures repeat themselves.

我们在完整的描述一个DNA或RNA时,不需要说明,分子上的每一个细节,因为它们的结构都是重复的

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Of great concern was stabilizing the bottles into mini structures themselves.

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As the coalition itself grew harder to attack, these groups began to turn to softer targets: smaller coalition partners, donors, contractors and the new Iraqi structures themselves.

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This traditional expertise runs counter to modern standardization by emphasizing the role of the builder in the construction process and giving a creative impulse to the structures themselves.

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