More specific rules override more generic ones.
更具体的规则覆盖更一般的规则。
In other words, if no element is styled by a high-level rule, because more specific rules are always in effect, then you should get rid of that unused rule.
换句话说，如果没有任何元素是由高层规则设置样式，因为更具体的规则始终有效，那么您应该摆脱那个未使用的规则。
Default categories, rules, and dictionaries are included out of the box, but these can be customized to recognize information more specific to the domain being analyzed.
虽然默认的类别、规则和字典是可以立即使用的，但是也可以对它们进行定制，以识别更特定于所分析领域的信息。
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