radical mechanism

例句：

1. 1. The radical change in the company's strategy has had a significant impact on its performance.
   公司战略的根本性改变对其业绩产生了重大影响。
2. 2. The researcher proposed a radical new approach to solving the problem.
   研究者提出了一种解决该问题的全新方法。
3. 3. The company's decision to invest heavily in renewable energy sources was a radical departure from its previous practices.
   该公司决定大量投资可再生能源，这是其之前做法的一个根本性转变。