I will not yield a step.

我决不退让一步。

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The first step in interacting with data represented as XML is to retrieve it as an XML document and parse it to yield a data structure for accessing the contents of the document.

与使用XML表示的数据进行交互的第一步是把数据作为一个XML文件，对其进行检索并进行分解，以创建数据结构来接入该文件中的内容。

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The execution engine behind it knew how to execute those operations and it even had an explicit optimization step designed to reduce the calculations necessary to yield a result.

它背后的执行引擎知道如何执行那些操作，它甚至有一个显式的优化步骤，以减少获得结果所需的计算。

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And the Air Transport Association, which represents the U.S. airlines that fly to China and others including Delta Air Lines and US Airways, says the air travel agreement produced in the talks is an "important first step" but ultimately wants the discussions to yield an "open skies agreement" with virtually no government intervention of flights between the two countries.

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But first, let's take a step back and ask why one is focusing on yield rather than total return.

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At that time the implied three-month yield stood at 2.05% and represents a retrospective step to January when the futures contract last traded at that price.

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