Because language comprehension is something we learn at the earliest ages, it takes the lion \ \ \ 's share of our processing power, leaving our minds prone to error while we multitask with driving.

因为语言理解力是我们在最年幼的时候学到的，所以它占据了我们的处理能力中很大的一部分，这就让我们在边开车边谈话时容易出错。