direct union

例句：

1. 1.The direct union of the two companies will lead to significant cost savings.
   两家公司的直接合并将带来显著的成本节约。
2. 2. The merger of the two banks has resulted in a more efficient and competitive financial system.
   两家银行的合并已经导致了更加高效和竞争力更强的金融系统。
3. 3.The union of the two countries is expected to bring about greater economic growth and development.
   两国的直接联合预计将带来更大的经济增长和发展。