英语语法分析

Youku and Ku6 were both founded by former Sohu managers.

优酷和酷六都是由前搜狐高管创立的。

Investor interest in Youku has already cooled significantly.

投资者对优酷的兴趣已经大减。

Youku was founded in 2006 by a former chief operating officer of Sohu.

优酷创立于2006年，其创始人是搜狐的前首席运营官。