联

例句：

1. 1. The two countries have been linked by trade agreements for many years.
   这两个国家通过贸易协定已经联系了多年。
2. 2. The team successfully united all the members to achieve the goal.
   团队成功地将所有成员团结起来实现了目标。
3. 3. The company has merged with another one to expand its market share.
   该公司已与其他公司合并以扩大市场份额。