英语语法分析

This is not proof-positive that Google is developing a microblogging search engine.

谷歌正在开发微博客搜索引擎这一说法的证据并不确凿。

There's a whole slew of microblogging services to choose from.

目前市场上有大量的微博客服务。

Most Microblogging sites, unfortunately, have no filtering system at all.

遗憾的是，绝大数微博客网站，还没有任何过滤系统。