The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.

解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。

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Many of the core principles remain the same, but in order to gain a competitive edge, we need to be in the know.

其中的许多核心法则是不变的，但是为了获得竞争优势，我们需要做到消息灵通。

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The effects of passed-on energy costs, as well as higher import prices stemming from a weaker dollar, have probably not run their course, so core inflation may edge higher in the months to come.

美元走弱造成能源成本传递性的效用，进口价格上涨。 但两者也许并没有真正开始起作用，所以在未来的几个月中，核心通货膨胀率也许会略有上涨。

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He says they feel solid on outlook for core and edge routing and for the mobility platform.

FORBES: Cisco's Rob Lloyd, Live From The Goldman Tech Conference

While the enterprise router market will benefit most directly from expanding budgets at large companies, a recent report from Infonetics Research suggest that improvement in IT spending is permeating the service provider market (including core and edge routers) as well.

FORBES: Enterprise Routers Are Cisco's Engine

The effects of passed-on energy costs, as well as higher import prices stemming from a weaker dollar, have probably not run their course, so core inflation may edge higher in the months to come.

ECONOMIST: The economy