chiefly US:a morally proper way of doing something（做事情）符合职业道德的方式
Several local news programs reported the rumor, but the city newspaper took the high road [=behaved properly] and waited to see if anyone could confirm the story.当地几个电视新闻节目报道了这个谣传，但该市报业媒体体现出了应有的职业道德，静观是否有人能够确认这一报道。
2
:an easy way to do something简易方法；捷径
The book claims to teach the high road to financial success.这本书声称会教给人们快速致富的方法。