The police play a vital role in our society.

警察在我们的社会中起着极其重要的作用。

《牛津词典》

Not just for health reasons, but also because it plays a vital role in protecting the environment.

不仅是因为健康的原因，还因为它在保护环境中扮演着重要的角色。

youdao

Travel, except during the Dark Ages, has continued to grow and, throughout recorded history, has played a vital role in the development of civilisations and their economies.

除了在黑暗时代之外，旅游业一直在持续发展壮大，并且贯穿有记录以来的历史，始终在各文明及其经济的发展中扮演着至关重要的角色。

youdao

He tells a group of visitors to Northern House that storytelling plays a vital role in the Dene culture.

VOA: standard.2010.02.19

"Each species of turtle plays a very vital role in the whole ecosystem functioning."

VOA: standard.2010.07.15

Soldiers from Uganda and Burundi are currently playing a vital security role by defending the presidential palace, the main seaport and airport from al-Shabab attacks.

VOA: standard.2009.04.17

It plays a vital role in an international network of those who hate Islam.

CENTERFORSECURITYPOLICY: Germany Cracks Down on Critics of Mega-Mosque

That last prosaic task both masks and exemplifies the vital role that outsourcers like Aramark play.

FORBES: Sprinklers to sausages

Russian transit routes now play a vital role in supplying American and NATO forces in Afghanistan.

WHITEHOUSE: President Obama & President Medvedev Joint Press Conference | The White House