看到对这个问题如此有创意的解决方法，令人耳目一新。

It was ___refreshing to see such an original approach to the problem.

新政策不同于过去的官僚作风，是一种令人欣喜的改变。

The new policy was a ___refreshing change from the old bureaucracy.

她对这个问题看法独特，对传统思维构成了令人振奋的挑战。

Her perspective on the issue offered a ___refreshing challenge to conventional thinking.