政府必须保护其公民的利益。

The government must safeguard the ___interests of its citizens.

商业决策应考虑到所有相关方的利益。

Business decisions should take into account the ___interests of all parties involved.

在谈判中，有效代表你所在群体的利益至关重要。

In negotiations, it's crucial to represent the ___interests of your group effectively.