We talk about issues that are relevant to the world, to politics, to economics, and to all our lives.

我们的讨论将涉及全球,政治,经济,以及生活的方方面面

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And they just bring awareness to human rights issues around the world.

他们正在努力提高全世界对人权的关注。

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You get people around the world to think about these problems, these issues-- practical idealists who will study what works, who will study the best and through that,make a difference.

让全世界的人们思考这些问题，实际的理想主义者,研究可行的方法，研究最好的个体，他们会带来改变。

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So, again, all together, this is the basis for modern chemistry, and examples I just gave you, are some of the things that modern chemists are working on -- some of the issues that our country faces and our world faces, and how chemistry is involved in that.

所以说,所有的这些就是现代化学最基本的基础，我刚给你们介绍的例子,都是现代化学正在研究的东西,一些我们国家和全世界面临的问题，以及它们和化学的关系。

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