起初，搜索引擎只是一些著名门户网站的辅助工具。

In the beginning, the search engine is only an accessorial tool in some famous portal sites.

youdao

简短便利的微博去年在中国也经历了一场“大爆炸”。 在不到六个月的时间里，中国著名门户网站新浪网的微博用户数就翻了一倍。

Short and convenient, micro-blogs also experienced a "big bang" in China last year, with the number of micro-bloggers at China`s popular portal sina.com.cn almost doubling in less than six months.

youdao

简短便利的微博去年在中国也经历了一场“大爆炸”。 在不到六个月的时间里，中国著名门户网站新浪网的微博用户数就翻了一倍。

Short and convenient, micro-blogs also experienced a "big bang" in China last year, with the number of micro-bloggers at China`s popular portal sina.com.cn almost doubling in less than six months.

youdao