to change to something new or to a new way of doing things

Many firms are going over to new technologies. 许多公司开始采用新科技。

She went over (= changed her support) to the Democrats during the last election. 上次大选中她倒向了民主党。

to change to a different person speaking or a different place during a television or radio programme

We're now going over to Kate Smith speaking live from Baghdad. 下面我们来看凯特‧史密斯从巴格达发回的现场报道。

Later in this segment we will be going over to our Westminster studio for an update on the situation. 稍后本节目将切换到威斯敏斯特演播室，在那里为您报道事态的最新消息。