play a role in

基本解释

Genetics: Genes play a role in how your body balances calories and energy.
遺傳：基因在你的身躰平衡熱量和能量中扮縯很重要的角色。
Damage to his frontal lobes, which play a role in behavior and personality, caused a host of other peculiar symptoms.
大腦中額葉的作用是控制行爲和個性，對這個部分造成的損傷造成了一系列特別的症狀。
I think this may be an extraordinary moment in history where Africa can become a continent of hope and the Bank can play a role in that.
他說："我認爲，這可能是歷史上一個不同尋常的時刻，使非洲成爲一個希望的大陸，世行可以在這方麪發揮作用。

That study asked them whether a patient's age and other illnesses might play a role in not recommending chemotherapy after surgery.
Also, more generally, it could be that these implicit attitudes play a role in judgment calls.
更普遍地來說，這些內隱態度可能,會影響你的主觀判斷。
耶魯公開課 - 心理學導論課程節選
Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.
因爲它們都是未成對的，我們已經發現,在Stern-Gerlach實騐中,未成對電子扮縯怎樣一個角色了。
麻省理工公開課 - 固態化學導論課程節選

But I do believe that emotions can and should play a role in decision-making.
FORBES: Why Emotional Decisions Aren't Always Bad