Despite its proximity to my current base in the Turkish port of Trabzon, an extensive search still hasn’t uncovered any maps of Georgia.

尽管格鲁吉亚离我现在所在的土耳其港口城市特拉布松（Trabzon）不远，我做了大量搜索之后还是没有找到任何格鲁吉亚的地图。

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An enterprise search system provides extensive capabilities for searching any number of structured and unstructured data sources with a single point of access.

企业搜索系统为搜索任意数量的结构化和非结构化数据源提供广泛的功能，而且只要求单点访问。

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Embedding these documents in the search results is relatively easy, and Yahoo provides content owners with an extensive set of helpful documents to get them started.

将这些文档嵌入到搜索结果中去的方法相对容易，雅虎为内容所有者提供了大量的帮助文档帮助他们上手。

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Coastguards began an extensive search overnight after the crabber was reported missing at about 18:00 BST.

BBC: The Purbeck Isle

Officers said an extensive search of the area had taken place and they were viewing CCTV footage.

BBC: Man 'stable' after Nottingham stab attack

After an extensive search, they chose a twenty-five-year-old lyricist who had never worked on a Broadway musical before.

NEWYORKER: Groupthink