depend on each other for existence

例句：

1. 1.We depend on each other to survive in this harsh environment.
   在这个恶劣的环境中，我们相互依赖才能生存。
2. 2. The team relies on each other's strengths to achieve their goals.
   这个团队依靠各自的优势来实现他们的目标。
3. 3. They depend on each other for support and encouragement.
   他们相互依赖以获得支持和鼓励。