She would only play a role if she could identify with the character.
她只愿扮演自己认同的人物角色。
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。
Various environmental factors may play a role.
各种环境因素也可能会起作用。
A new study suggested that our short-term memory also may play a role in appetite.
一项新的研究表明，我们的短期记忆也可能对食欲产生作用。
He was invited to play a role in this TV play.
他被邀请在这个电视剧里扮演一个角色。
Many search marketers doubt whether search can play a role in reinforcing brand perceptions.
许多搜索营销人员怀疑搜索是否能在增强品牌认知上起作用。
Fancy mathematics will continue to play a role, to be sure.
顶级的数学家们将毫无疑问继续扮演重要的角色。
But the rest can play a role in how well organisms survive and reproduce.
但是其它一些变异则对一个物种的生存和繁殖意义重大。
Now, researchers at the University of New Mexico suggest that parasites might play a role.
如今，新墨西哥大学的研究人员又提出来一个新因素——寄生虫。
For many diseases, a range of genes play a role, not just a single gene.
对于很多疾病来说，是一系列基因而不是一个基因决定的。
These actually play a role in protecting skin from ultraviolet light.
事实上他们在保护皮肤免受紫外线上起作用了。
Factors such as income, debt, and credit score would all play a role.
收入、债务和信用度等因素都扮演重要角色。
But personalities do play a role.
但是个性确实扮演一些角色。
So the physiological environment can play a role in risk.
所以生理环境中起重要作用的风险。
Hopefully, GWT will play a role in that battle.
GWT将会在这场较量中扮演重要的角色。
Train community workers so that they can play a role in preventive health care services.
对社区工作者进行培训，使其在预防卫生保健服务方面能够起到作用。
Family - we may play a role as husband, wife, father, mother, son, daughter.
家庭——我们也许充当着一个丈夫，妻子，父亲，母亲，儿子，女儿的角色。
He thinks that other brain chemicals with their own thermostats also play a role.
他认为其他大脑内带调节器的化学物质也发挥了作用。
Odor may play a role with both garlic and Onions.
大蒜和洋葱的气味可能发挥了作用。
You actually play a role in that $10 trillion figure every time you buy something.
你每买一次东西，就对这个10兆美元产生了一次影响。
Both compounds are believed to play a role in mitochondrial function.
这两种化合物相信在线粒体的功能中发挥了作用。
The bands are thought to play a role ingenerating the sun's magnetic field.
据信，这些物质流在太阳产生磁场过程中起着重要作用。
恐惧似乎发挥了作用。
The challenge: Does physiology play a role in job performance?
挑战:生理真的对于工作表现有影响吗？
The need to maintain psychological security may play a role.
人们保持心理安全的需要可能起到了重要的作用。
The researchers speculated that color TV might play a role in the generational difference.
研究者推测，几代人之间的这个区别，可能是因为彩色电视机在发挥作用。
The researchers speculated that color TV might play a role in the generational difference.
研究者推测，几代人之间的这个区别，可能是因为彩色电视机在发挥作用。
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