Instrumental ties are social links formed when we cooperate with other people to achieve some goal.

工具性联系是我们为了实现某种目标而与他人合作时形成的社会联系。

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But both will be better able to accomplish the job if we cooperate with each other.

但是如果双方合作，我们将能够更好地完成各自的任务。

youdao

We cooperate with the China's local company because they know the Chinese market better than us.

我们选择和中国当地公司合作，因为他们更了解中国的国情。

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"The message is if you are not going to be clean and sincere, if you are going to engage in criminal activity, if you are going to cooperate with the Taliban, we will hold you accountable."

VOA: standard.2010.05.28

But we cooperate with all of you on the stories that you work on.

WHITEHOUSE: Press Briefing

In other words, one of the reasons we cooperate with others is to avoid feeling guilty.

FORBES: The Neuroscience of Guilt Uncovers the Origin of Cooperation

That's why we cooperate with countries around the world in efforts to counter al Qaeda and other extremists.

WHITEHOUSE: Press Briefing