translation.en: Well, your brain has to do something just like that as well, and we're now beginning to understand and identify brain systems involved in valuation, and one of them includes a neurotransmitter system whose cells are located in your brainstem and deliver the chemical dopamine to the rest of your brain.
translation.zh: 你的大脑做的就是一些这样的工作 现在，我们开始了解并且识别 与“评价”有关的大脑系统 其中之一就是某个神经递质系统， 其细胞位于脑干 并且向大脑的其他部位传递多巴胺