Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.

因为这些事物都是未成对的，我们已经发现在 Stern-Gerlach 实验中，未成对电子扮演怎样一个角色了。

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The country needs new leadership if she is to play a role in future development.

该国要在未来的发展中发挥作用的话，她就需要新的领导班子。

《柯林斯英汉双解大词典》

Nobody can play a role in protecting the earth.

没有人能保护地球。

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That study asked them whether a patient's age and other illnesses might play a role in not recommending chemotherapy after surgery.

VOA: standard.2010.03.18

Also, more generally, it could be that these implicit attitudes play a role in judgment calls.

更普遍地来说，这些内隐态度可能,会影响你的主观判断。

耶鲁公开课 - 心理学导论课程节选

Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.

因为它们都是未成对的，我们已经发现,在Stern-Gerlach实验中,未成对电子扮演怎样一个角色了。

麻省理工公开课 - 固态化学导论课程节选

But I do believe that emotions can and should play a role in decision-making.

FORBES: Why Emotional Decisions Aren't Always Bad

It's good to be home, and it's exciting to play a role in the New India.

NPR: India's Doctors Returning Home

"I think Iraq and the economy play a role in virtually every race, " Rove says.

NPR: Rove Sees No GOP Fall in the 2006 Election