但对于智能电网的标准至今仍未达成一致，因而当人们希望不同网络和技术协同工作时，就会产生问题。

But agreement on standards has yet to be reached for smart grids, which can pose a problem when different networks and technologies are expected to work together.

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问题是直流电源并无单一标准，因此拥有不同卖家设备的数据中心很难做到这样的能源节约。

The problem is that there is no single standard for DC power supplies, so such savings cannot easily be achieved in a data centre filled with equipment from different vendors.

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这些标准可用作一个具有一组问题的模板，可度量用户在执行不同任务时的便利和舒适度。

These standards can be used as a template with a set of questions that can measure the ease and comfort of the user in executing different tasks.

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So if we go back to the Cheetos and the cockroach and we look at our different criteria, and we ask ourselves, is it found in nature?

我们回头再看奇多和蟑螂,我们参照不同的标准,回答如下问题,它是存在于自然界的吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选