Mr.Obama defended his efforts to strengthen the U.S.economy, which included unpopular moves to bail out banks and rescue automakers.

VOA: standard.2010.01.22

And so it only makes the move where it can sort of look ahead 20 moves, right, and see which branches have the computer winning.

所以只有当它能够预见到,自己接下来20步得以制胜的棋路时,它才会继续往下走

耶鲁公开课 - 死亡课程节选

So it is in fact the result of positive moves, which the Mexican government has taken to break the baneful influence that many of these cartels have had on many aspects of Mexican government and Mexican life,".

VOA: standard.2009.03.26

Addressing reporters in the White House briefing room, President Obama said the agreement moves the world closer to the goal of a more secure future without such weapons, which he said represent both the darkest days of the Cold War, and the most troubling threats of our time.

VOA: standard.2010.03.26