If a resource becomes invalid then its cached representation and all dependent resource representations are atomically invalidated.

如果一个资源变为无效，那么它所缓存的表示和所有依赖的资源表示就会自动变为无效。

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Rogers worries that a blind jump to gas could leave the country dependent on yet another fossil resource, without stemming the rate of climate change.

罗杰斯担心，盲目地跳向天然气会让整个国家不得不依赖其他的化石燃料，却不能减缓甚至逆转气候变化的进程。

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In this simple example, there are multiple items dependent on that Step 3; therefore, we have a real bottleneck not only in the resource but in the architecture.

在这个简单的例子中，有多个小项目取决于步骤3；因此，我们不仅在资源上有一个瓶颈，而且在项目结构上也有一个瓶颈。

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The obvious conclusion is that we are massively dependent on a resource that has steady ramping global demand and very concentrated supply, with a significant risk of a disruption of this supply.

FORBES: A National Imperative -- Building an Interstate Network of Toilets

With an economy in the pan, and global commodity prices at historic highs (not to mention the political problems of policing an oil-dependent world) natural resource discovery is an inviting systemic innovation.

FORBES: 862 Trillion - Is This The Number To Salvage the US Economy?

Most successful small businesses face a problem when they need to grow because they are overly dependent on one finite resource - for instance, the time and expertise of the lone baker who starts her own business.

BBC: American Giant: The problems of being an overnight success