创建一个单向的文字链接广告到您的顶级搜索引擎列表的网站。

Create one-way text link ads to your Website for top search engine listings.

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通过按点击付费，你设定一个点击付费值，在搜索引擎列表中发布特定关键字的广告。

With PPC, you pay a certain cost per click to have an AD for your web page run at or near the top of the search engine listings for certain keywords.

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首先，最简单的插件是将Wolfram alpha添加到Firefox的搜索引擎列表中。

First, there's the simple plugin that adds Wolfram Alpha to the list of search engines in Firefox.

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