Now, while the smell wafts over you, let me tell you the history of an idea. 现在，趁着香味还萦绕在你们周围，我来为你们介绍一个想法形成的过程。 Everything that you're smelling in here is made up of atoms that come from what I call th
He also runs this amazing drone mapping program, 他同时管理着无人机测绘地图工程， some of the images of which you can see behind me here and here. 你们能看到我身后的一些图片，这儿，还有这儿。 And this data will be incorporated into the pl
Hi, everybody. 嗨，大家好！ Over the last few years, Democrats and Republicans have come together and cut our deficit by more than $2.5 trillion through a balanced mix of spending cuts and higher tax rates
