The basic thing, though, is that every country has to take the insights that have been developed around the world.

但是最基本的是,每个国家都要不断学习,世界各地的先进理论。

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So, Piaget viewed the child as a scientist who developed this understanding, these schemas, these little miniature theories of the world.

皮亚杰将儿童视为科学家,认为儿童能够形成关于世界的,一系列看法,图示,或者说小型理论

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Is that a reasonable way to approach the world?

这是不是个值得向世界推广的理论呢

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And it turns out the second solution, with negative energy, was when the theory is telling you, hey, there are particles and there are anti-particles, and the negative energy when properly interpreted will describe anti-particles.

结果,后来证明,第二个根,也就是能量为负的那个根,正是理论的关键,世界上既有粒子,也有反粒子,负能量就是用来解释反粒子的

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