最重要的是，一个单一的指数卡，可以提交下几个主题和关键词在同一时间内。

Best of all, a single index card can be filed under several subjects and keywords at the same time.

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新主页还将突出一个叫做‘闻脉(NewsPulse)’的功能，允许用户根据记者、主题和关键词管理新闻内容。

The new homepage will also have a new feature called 'NewsPulse.' This will allow users to reorganize news stories by correspondent, subject, or keyword.

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例如，每个文档都包含一些标准关键词，例如日期和主题描述。

For example, each document contains several standard keywords, such as date and subject description.

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