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

At the core of it is a belief in progress, something that was essentially not present among the Greeks.

其核心就是对于进步的信仰,实质上说这在希腊文化中是不存在的

耶鲁公开课 - 古希腊历史简介课程节选

The core electrons tend not to be involved in much chemistry in bonding or in reactions.

核电子倾向于不参与结合,或者反应。

麻省理工公开课 - 化学原理课程节选

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

So clear sense of your core competence and direction, intelligence and understanding not only with your own people are doing but what's going on in academia and in startups, and then the willingness to take some risk that would be what I'd say.

清楚的了解你的核心竞争力和方向，才干，并了解你的伙伴在做什么,以及学术环境和创业环境的发展，然后要有冒险的动力,这就是我要讲的。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

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

Now, if that's the sort of thing you know about Freud, you are not going to have a very high opinion of him or of his work, but at the core of Freud's declamation, the more interesting ideas, is a set of claims of a man's intellectual importance.

如果大家对于弗洛伊德的了解仅限于此，一定不会对他及其学说给予太高的评价，不过弗洛伊德理论的核心，也是更有价值的观点，是一系列关于人类理性的主张。

耶鲁公开课 - 心理学导论课程节选