So we have to have backup power to power the place in the event brownouts and stuff. And I think what we're gonna end up doing is making the energy center our primary source of power. 所以需要后备电源，能源中
As you can see, I brought a few things with me for this week's video. A padlock（挂锁） . A pair of boots. A candle. And a pair of socks. No, we're not having a yard sale（庭院旧货出售） . And these products may
And originally it was a math problem more or less. 最初它差不多只是一个数学问题的游戏。 Like, here's the economics of illegal immigration. 就像，关于非法移民的经济学问题。 And the more I learned about the Mexican culture my partne
October 7, 2007 THE PRESIDENT: Thanks for the warm welcome. David, thank you very much for your introduction. Nothing better than being introduced by an old fire chief. And I thank you for your servic
