在经济低迷时期，有时需要激进的改革来提升公众信任。

During economic downturns, ___radical reforms are sometimes needed to boost public trust.

你考虑过技术如何能引起社会的根本性转变吗？

Have you considered how technology can cause ___radical shifts in society?

新政策代表了对传统方法的彻底背离。

The new policy represents a ___radical departure from traditional approaches.