narrow_depth_of_focus_有道手机词典

1.Some of the most interesting search engines we found are those that focus on a narrow niche and deliver in-depth targeted results on very narrow topics.
我们发现的搜索引擎中最有趣的是那些只专注于有限的领域并在那些又偏又冷的话题上提供深度搜索结果的搜索引擎。
dict.yoduao.com