Hi, everybody. It's hard to believe, but it was seven years ago this week that one of Wall Street's biggest investment banks went bankrupt, triggering a meltdown on Wall Street and the worst e
I work on helping computers communicate about the world around us. 我致力于协助电脑和我们周围世界的沟通。 There are a lot of ways to do this, and I like to focus on helping computers to talk about what they see and unde
MRS. BUSH: Thank you all. Welcome, everyone, to the White House. Thanks to all our very distinguished guests for joining us tonight to celebrate Teddy Roosevelt's 150th birthday. President Roosevelt o
