We need to act on a Europe-wide scale.

我们得在全欧洲范围内采取行动。

《牛津词典》

We need to act upon it.

我们需要采取行动。

youdao

So we need to act now.

我们需要立刻行动起来。

youdao

"It's physiological and it's emotional." "Physiologically,we have a tendency when we come into a situation that seems dangerous we get a lot of chemicals flowing through our bodies to help us stay alert, to be able to act if we need to act.

VOA: standard.2010.07.01

"We need to see this the actual law passed by Congress, this EPCA, Electronic Privacy Communications Act made much more stronger, brought up to date.

VOA: standard.2010.06.22

"We need to learn from this episode and act quickly to fix the flaws in our system because our security is at stake and lives are at stake,".

VOA: standard.2009.12.29

We need to act quickly and we also need to give those affected time to prepare.

BBC: NEWS | UK | Scotland | First minister's speech in full

And we continue to view this as a very important matter that we need to act quickly on.

WHITEHOUSE: Press Briefing

The addendum: to truly spur growth in jobs, we need to act less like California, more like Texas.

FORBES: The U.S. Can Grow If We All Act Less Like California, More Like Texas