When this query is performed at runtime, the real query expression is generated depending on the parameter passed, such as component values of current content, current site area, and so on.
运行时执行该查询时，实际的查询表达式是根据传递的参数来生成的，比如当前内容的组件值、当前站点区域，等等。
Expression language - Spring.NET provides an Expression language which can be used at runtime to query and manipulate an object graph.
表达式语言——Spring.NET提供了一个表达式语言，可在运行期查询并操纵对象图。
The runtime library must parse and evaluate an XPath expression at runtime.
运行时库必须在运行时解析并计算XPath表达式。
The customisation of the nodes is achieved by you creating an XPath expression which will be executed when the node is invoked at runtime.
节点的自定义是通过创建XPath表达式获得的，该表达式将在运行时调用节点时执行。
The customisation of the nodes is achieved by you creating an XPath expression which will be executed when the node is invoked at runtime.
节点的自定义是通过创建XPath表达式获得的，该表达式将在运行时调用节点时执行。
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