High keyword density (the number of times a keyword appears in your content) is no longer a deciding factor in search ranking.

高密度关键词(同一个关键词在你的文章中出现的次数)不再是搜索排名的关键性因素了。

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Apart from being useful for your visitors, roundups can also bring some SEO value as they contain keyword rich links to posts that already have good chances of ranking in search engines.

除了对访问者有用外，综述也可以带来一些SEO价值，例如把那些已具有良好的搜索引擎排名的文章作为关键词富链接。

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