And we couldn't do that without an advanced cerebelum helping us plan and coordinate complex sequences of actions.

如果没有先进的小脑帮助我们计划和协调一系列复杂的行动，我们就无法做到这一点。

Or how we coordinate the complex sequence of thoughts, movements and actions that lie behind each and every word we utter.

又如何协调我们言语之中所蕴含的一系列错综复杂的思想动作和行为呢。