One group was left undistracted while the other had to engage in a conversation using a speakerphone.
一组人不受干扰，而另一组人必须使用免提进行对话。
2
As constant travelers and parents of a 2-year-old, we sometimes fantasize about how much work we can do when one of us gets on a plane, undistracted by phones, friends, or movies.
Migrating animals maintain an intense attentiveness to the greater mission, which keeps them undistracted by temptations and undeterred by challenges that would turn other animals aside.