Hailu says he plans to make next May's election about core philosophical issues, such as the government's control of the country's land resources.

VOA: standard.2009.11.01

And it is that conflict, as it were, between what we might call worldliness and innocence that is the core of Machiavelli's moral code.

可以说，正是那种冲突,那种我们可以称之为世俗理念与纯洁无知之间,的冲突，是马基雅维利道德准则的核心所在。

耶鲁公开课 - 政治哲学导论课程节选

Now there's something very wrong about this diagram, in that it's showing these functions as sort of centralized in the core, and of course that's not how your body is organized.

这张图上有些东西是不对的,图上显示这些功能都围绕着一个核心,当然,这绝不是人体的组织形式

耶鲁公开课 - 生物医学工程探索课程节选

A political scientist at the University of Zimbabwe, Eldred Masunungure, says the police are the most serious offenders of the political agreement and the hard core of top officers are determined to hang on to power for as long as possible.

VOA: standard.2009.09.15

The United States is seeking assurances from Mr.Netanyahu that such an incident will not be repeated, as well as pledges that it is prepared to discuss all of the core issues of the Middle East peace process - including Jerusalem - in talks with the Palestinians.

VOA: standard.2010.03.16

Does it need refinement in some way?" "And if it does need some adjustment in light of the events that have taken place over the last number of months, including the election and so on, and then what are the implications of that in terms of General McChrystal's resource request?" The secretary said the United States will not abandon its core mission in Afghanistan, which President Obama described as the destruction of the al-Qaida terrorist network, because it is "critical" to U.S.national security.

VOA: standard.2009.10.23