长合

例句：

1. 1. We have been working together for over a year now.
   我们已经一起工作了一年多了。
2. 2. The company has been in the industry for decades.
   这家公司已经在这个行业经营了几十年。
3. 3. They have formed a long-term partnership with another company.
   他们与另一家公司建立了长期的合作关系。