An XPathFactory is only expected to know how to create XPath objects for one particular type of data model.

对于特定类型的数据模型，XPathFactory只需要知道如何创建XPath对象。

youdao

Since we know that in our model, we only expect to have a single name for each person's resource, we usually ignore the lowest level of lists anyway.

由于我们知道在我们的模型中，我们仅仅期望每个人的资源只有一个单一名称，所以我们无论如何总是忽略列表的最低一级。

youdao

You need to know how the Document Object Model (DOM) works only if you wish to change the code in this tutorial to suit your own applications.

只有当希望修改本教程中的代码以适应具体应用程序时才需要了解文档对象模型(DOM)的工作原理。

youdao

Better to know the model you are using, if only to understand its limitations, than to kid yourself you have moved to a deeper, model-free plane.

ECONOMIST: Knowing your place

You need only look at the Y-Combinator model of business creation to know that even the VC world is being turned on its head with the Garden Mindset.

FORBES: This New Year: Transform Your Thinking

Leading by example can only do so much if others do not know what philosophy you yourself are trying to model.

FORBES: 10 Traits of Courageous Leaders