And to give you, again, a feeling for the complexity of these systems, the cerebellum contains approximately 30 billion neurons.

小脑包含大约三百万个神经元,这也能够让你再次体会到,这些系统的复杂性

耶鲁公开课 - 心理学导论课程节选

Part of the complexity of the nervous system is the complexity of this interconnection of cells.

神经系统的复杂性部分地,体现在神经细胞间相互连接的复杂性

耶鲁公开课 - 生物医学工程探索课程节选