They cannot always help, but when they can, they make a point of refusing payment for their services—though they sometimes express exasperation at the ingratitude of some of the people they assist.

他们不能总是提供帮助，但当他们可以时，他们会拒绝为他们的服务付费——尽管他们有时会对他们所帮助的一些人的忘恩负义表示愤怒。