With the end of the outdated concept of a Third World, the First World must open itself to competition in ideas and experience.

随着第三世界这个过时概念的终结，第一世界必须向观念和经验的竞争打开自己的大门。

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Ricardo's ideas about inflation and the concept of comparative advantage as it related to international trade.

里卡多的想法对通膨和概念的比较优势，因为它涉及到国际贸易。

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The concept of the regime is perhaps the oldest and most fundamental of political ideas.

政体的概念或许是,最古老与最基础的政治概念。

耶鲁公开课 - 政治哲学导论课程节选

So, I want to contrast that with another concept that seemed to be opposing ideas, and that is thinking about not how far away the most probable radius is, but thinking about how close an electron can get to the nucleus if it's actually in that orbital.

我要将它和另外一个,看起来相反的概念相比较，我们不是考虑,最可能半径离原子核有多远，而是考虑如果电子在那个轨道上,能多接近原子核。

麻省理工公开课 - 化学原理课程节选

As he stated most new ideas are a combination of older ideas in new ways and the SpaceX concept is an example of this a modular reusable rocket.

FORBES: Private Space Transportation Reaching New Heights

And publishers and libraries are exploring a brave new world of content creation and distribution that disrupts not just business models, but the very concept of how we share ideas, facts, and fiction on the printed page.

FORBES: Connecting marketers to the Forbes audience. What is this?

Digital democracy is the concept of enabling good ideas and innovations to float from the bottom through the top of organizations using web tools.

FORBES: Can Digital Workplace Democracy Make Workers Happy?