Digital manufacturing is also allowing us to do this more effectively. In this case, it's actually creating the theoretical limit of strength for a material. 数字化制造也可以帮助我们进行更有效的回收再利用。这个例子说明了一种材料的理论极限强度

you can isolate it, and it works very much like carbon fiber. 你可以对它进行分离，它的性质跟碳纤维非常相似。 So, take that from a tree, form it into fibers, and then those fibers can strengthen things, such as airplanes, bu

We are also working on the start of a bigger project in Bali. It's a movie about happiness. 我们还在巴厘岛开始了一个更大的项目，是一个讲关于快乐的电影。 And here we asked some nearby pigs to do the titles for us. They weren't quit

January 1, 2008 THE PRESIDENT: Laura and I wish our fellow Americans a happy and healthy 2008. I particularly want to say something to our troops and their families: This country respects you, we admi

REMARKS BY THE PRESIDENTEULOGY FOR SENATOR EDWARD M. KENNEDY Our Lady of Perpetual Help BasilicaRoxbury, Massachusetts12:35 P.M. EDT THE PRESIDENT: Your Eminence, Vicki, Kara, Edward, Patrick, Curran,