联生的

例句：

1. 1. The two companies have joined forces to develop a new product.
   两家公司联合开发新产品。
2. 2. The teamwork between the leaders is essential for success.
   领导者之间的团队合作对于成功至关重要。
3. 3. The union of different cultures has enriched our society.
   不同文化的结合丰富了我们的社会。