在1738年，丹尼尔试图用微积分来解决一个概率论和赌博理论里的问题，无意间却发现了货币的边际效用递减法则的概念。
In 1738, Daniel, trying to solve a problem in probability theory and the theory of gambling by use of the calculus, stumbled on the concept of the law of diminishing marginal utility of money.
21世纪学习借鉴了整体论的概念，也就是亚里士多德的理论——只有整体的观察系统，才能理解它，而不能只研究它们的组成部分。
21st century learning draws upon the concept of holism, the Aristotelian idea that systems can only be understood by looking at them as a whole, and not simply by investigating their parts.
其中之一是感觉认识论的概念，洛克的有关知识的基础理论，思想，所有的知识来自于我们周围的世界与感官的接触。
One of them was the concept of sensory epistemology, Locke's theory about the basis of knowledge, the idea that all knowledge comes from sensory encounters with the world around us.
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