Well, let's go back to this picture. There's one challenge symbolized at the top, but there's another challenge to science symbolized at the bottom. 好吧，让我们回到这张图片。在其上部有一个符号化了的科学挑战。而在其下部同样有一个符号化了的科学挑战。

My Lords and members of the House of Commons. My government will legislate in the interests of everyone in our country. It will adopt a one nation approach, helping working people get on, supporting a

Imagination is a force that can actually manifest a reality. 其次要有想象力，这是你展现现实的力量； And the respect of your team is more important than all the laurels in the world. 第三：尊重团队，这是比世界上一切荣誉都更为重要。 I have young

The President expresses gratitude to America’s military men and women and their families, and discusses the steps his administration is taking to help create jobs so that next Thanksgiving, Americans

Now, graduates, all these folks around you, I have to say, though, with the cameras and the beaming（喜气洋洋的，愉快的） smiles -- they’ve worked hard to give you everything you need to pursue your dreams