union by first intention

例句：

1. 1. The union of the twocountries has brought about significant economic benefits.
   两国的联合带来了显著的经济益处。
2. 2. The unionof different cultures is essential for global harmony.
   不同文化的联合对于全球和谐至关重要。
3. 3. Theunion of technology and human creativity is drivinginnovation in many fields.
   技术与人类创造力的结合正在推动许多领域的创新。