generational

例句：

1. 1. The company's decision to invest in renewable energy is generational.
   公司决定投资可再生能源是一个世代性的决策。
2. 2.This book is a classic that has been passed down through generations.
   这本书是一本经典之作，代代相传。
3. 3. The research on genetic engineering has generated significant interest and controversy.
   关于基因工程的研究引发了极大的兴趣和争议。