既然警察已经查好了，我们何必再自己查呢？

Why do all that digging when the police already did it for us?

youdao

查一下已知信息，如什么是你已经知道的，什么是你需要找的。

Check existing knowledge i. e. what you know already and what you need to find out.

youdao

与之相反，花旗的首席执行官查克·普林斯(Chuck Prince)已经开始有所动作了。

Instead, Chuck Prince, Citi's chief executive, has been out and about.

youdao

与之相反，花旗的首席执行官查克·普林斯(Chuck Prince)已经开始有所动作了。

Instead, Chuck Prince, Citi's chief executive, has been out and about.

youdao