And the problem with it is, I think we are setting ourselves up for a kind of disaster like the disaster we had in the financial system, 而问题在于，我认为，我们正在将我们自己置于类似于金融风暴那样的灾难之上， where we take a system tha
Speaking from 54 years' experience, the world towards a more perfect union is a never-ending concern that involves each every one of us. Evidence that our nation is becoming a better place is ever
And when that happens, all sorts of neat things happen. 当万事俱备的时候，就会出现良性循环。 One, the students can actually master the concepts, but they're also building their growth mindset, 首先，学生能够真正掌握知识，此外还能培养他们积极的
February 26, 2008 THE PRESIDENT: Thanks for coming. I appreciate the warm welcome. Last Thursday Laura and I returned from a six-day visit to Africa. It happened to be her fifth visit, and my second.
