concatenation error

例句：

1. 1. The two programs are linked together for seamless operation.
   这两个程序是相互链接的，以便无缝操作。
2. 2.The scientists combined their findings to form a new theory.
   科学家们将他们的发现结合起来形成了一个新的理论。
3. 3. The company's merger with another firm has resulted in a more efficient operation.
   该公司与另一家公司合并后，运营效率更高了。