研究人员提问了1004个18岁和以上的人关于他们公开发布网上个人信息的数量，和这对他们个人产生的影响。
Researchers questioned 1, 004 people aged 18 and over about the amount of their personal information that is publicly available online and how it could affect them personally.
和整个网络相比，某网站的网页数量是相对较小的，因此一个简单的搜索引擎提问式不会产生足够的结果(译者：搜索引擎是对整个网络进行搜索，而索引是在网站中的几个网页中检索)，就算搜索引擎会返回一些关于提问式的较好的网页。
Compared with the entire Web, the number of pages within a site is relatively small, so a simple search engine query might not yield enough or any results, even if there are good pages on the subject.
例如，如果你请库存查询系统告诉你还有多少小部件，它会忠实地查询数据库，并报告到你提问时间为止的库存数量。
If, for example, you ask the inventory query system to tell you how many widgets are in stock, it will dutifully ask the database and report the number as of the time you ask.
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