In a region today divided by languages and borders, archaeologists had a duty to inform the general public about their common cultural heritage.

在今天这个被语言和边界分割的地区，考古学家有责任让公众了解他们共同的文化遗产。

youdao

Their duty is to ensure that all pupils in their group understand and practice what the teacher has taught.

他们的职责是确保他们组里的所有学生都理解和实践老师教的东西。

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In American society, however, the class structure was less rigid; some people changed occupations easily and believed it was their duty to improve their social and economic position.

然而，在美国社会，阶级结构没有那么严格；有些人很轻易地就改变了职业，并认为提高他们的社会和经济地位是他们自己的责任。

youdao

They felt it was God's will, and their duty,to spread American democracy and freedom across the continent.

VOA: special.2009.02.19

they can be found to have breached their fiduciary duty, I'm on the hedge fund side and against the sort of company management side.

他们可以被发现存在渎职行为，我站在对冲基金的阵营上并且反对,公司管理的主张。

耶鲁公开课 - 金融市场课程节选

Mr.Ban said he offers his deepest condolences to the colleagues who fell in the line of duty for noble causes and to their families and friends.

VOA: standard.2009.10.05

We reflect on their sacrifices and those of their families -- citizens who've done their duty and who have fulfilled their responsibilities to their nation.

WHITEHOUSE: President Signs Bill to Expand Veteran Benefits

Grandees on both sides still insist that when push comes to shove, everyone will stop posturing and do their duty.

ECONOMIST: The debt ceiling

It happens because senior management understands both the importance of what is happening and their fiduciary duty to protect the assets of the organization.

FORBES: Mandiant Report on Chinese Hackers is Not News But Its Approach Is