He theorizes that it is the emotional component of these intangible prizes that make them effective.
他推测正是这些无形的奖励中的情感成分使它们变得有效。
He argues that tooth crowns and roots have a high genetic component, minimally affected by environmental and other factors.
他认为,牙冠和牙根有很多的遗传成分,受环境和其他因素的影响很小。
He is making the unarguable point that our desires and preferences have a social component.
他关于我们的欲望和偏好中有社会因素的观点是不容置疑的。
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