It is clear that the primary duty of parents is to provide protection for our children.

很明显，父母的首要职责就是为孩子提供保护。

《柯林斯英汉双解大词典》

His primary duty was to catechize the recently enslaved.

他的主要职责是盘问新近被奴役的人。

youdao

We demand that the State shall make it its primary duty to provide a livelihood for its citizens.

第七条，我们要求，国家的首要义务应该是为其公民提供生活。

youdao

Outside China, companies broadly understand that they owe their primary duty of care to their investors.

ECONOMIST: Chinese business

In summary, the important point for investors to remember is that the analyst owes his primary duty to his company.

FORBES: Financial Analysts: Writing Research That Benefits Their Employers and Themselves (August 1, 2001)

The governors would have to be satisfied that increasing private income would not interfere with the hospital's primary duty of providing NHS care.

BBC: Ministers offer more concessions on NHS bill