一个很重要的事实，许多社会化网站并没有意识到这点，即协同过滤(CF)系统并不能根据您的喜好自动匹配内容，它有天然的缺陷。

The important thing, one that not many social sites realize, is that a (CF) system that doesn't automatically match content to your preferences, is inherently flawed.

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这种商业模式有很大的缺陷，如果谷歌和其他搜索引擎的用户投诉搜素结果有遭污染，他们将严厉打压劣质内容和垃圾邮件。

This business model could be dented badly if, as seems likely, Google and other search engines crack down hard on poor-quality content and spam that their users complain are polluting search results.

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五段论最重要的缺陷也许是，它的形式控制了内容，而我们需要的恰恰相反，形式应当适应内容。

Perhaps most important of all: in a five-paragraph theme, form controls content, when it should be the other way around.

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