But tree and bush are hardly that, since there is no way to define a tree versus a bush. The two categories grade insensibly into one another.

但树和灌木就是很难区分的，因为没有一种方法来区分一棵树和一株灌木，其中一种不知不觉地渐变为另一种。

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You can even define separate input and output mappings to unmarshal documents with one format and marshal them with another.

甚至可以用一种格式定义单独的输入和输出映射来对文档进行数据分解，并用另一种格式编组它们。

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To run these tests, you must define at least four Ant tasks: one for unit tests, another for component tests, and so on.

为运行这些测试，必需至少定义四个Ant任务：为单元测试定义一个，为组件测试定义一个，依此类推。

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It's everything from lack of workplace flexibility and space for women who are breastfeeding, to how we treat one another, how we value one another's contributions, and how we define leadership.

CNN: 10 views: Our struggle to 'have it all'