That same secondary task - the grocery list - becomes more of a challenge when driving to a different grocery store using an unfamiliar route.
但是,如果你走一条新路线去不同的超市的时候,脑中处理第二件任务:需要买些什么,则会比较困难。
3
I continued northwards on a secondary road winding first through rice paddies and then through rolling hills. It was a wonderful route with very little traffic and avoided both the main highways.