Depending on their role and training, they listen to young readers, distract anxious travelers, support crime victims during legal testimony, and facilitate comforting reminiscence from frail older adults about long-ago days.

根据他们的角色和训练，他们倾听年轻读者的意见，分散焦虑的旅行者的注意力，在法律证词中支持犯罪受害者，并促进体弱的老年人对很久以前的日子进行令人欣慰的回忆。