然而，当早期的人类第一次开始反思周围事物的本质，他们发现只是为了让思维保持有序也需要有数字的概念。

However, when early humans first began to reflect on the nature of things around them, they discovered that they needed an idea of number simply to keep their thoughts in order.

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跟着小小爱因斯坦各种好玩的有趣的场景中学习数字的概念和1到5的数数。

The concept of Numbers and counting from 1 to 5 is demonstrated by the Baby Einstein characters in a variety of playful, amusing scenarios.

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这篇文章的作者写道“纵观数学史，数字的概念一直与空间的概念纠缠不清”，现在我们知道它们的联系是由大脑的构造决定的。

The study authors note that "throughout the history of mathematics, concepts of number and space have been tightly intertwined." now we know that the connection even occurs in our brains.

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If a person has the basic concept down, regardless of numerical errors, if the person has the basic concept down, he or she must get at least five out of ten.

如果一个人有一些基本的概念，不管一些数字上的错误，如果他有基本的概念，至少都能够得到一半的分。

麻省理工公开课 - 固态化学导论课程节选