basis for establishing

例句：

1. 1. The theory of relativity is the basis for modern physics.
   相对论是现代物理学的基础。
2. 2. The company's success depends on its strong foundation.
   公司的成功取决于其坚实的基础。
3. 3. The new policy is based on the old one.
   新政策基于旧政策。