The researchers' argument stems from a simple observation about social influence: With the exception of a few celebrities like Oprah Winfrey - whose outsize presence is primarily a function of media, not interpersonal, influence - even the most influential members of a population simply don't interact with that many others.
研究人员的论点源于对社会影响的一个简单观察：除了像奥普拉·温弗瑞这样少数几位其巨大影响力主要源于媒体而非人际影响的名人外，人群中最有影响力的人实际上并不与太多其他人互动。
discuss influentials' function in spreading ideas.
讨论有影响力的人在传播思想中的作用。
Laughter does 2 short-term changes in the function of the heart and its blood vessels, 3 heart rate and oxygen consumption.
笑会引起心脏及其血管功能的 2 项短期变化，3 心率和氧气消耗。
But 3 aging is inevitable, scientists are finding out that certain changes in brain function may not be.
但3衰老是不可避免的，科学家发现大脑功能的某些变化可能并非不可避免。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。