"The expected decline in world hunger in two thousand ten is primarily the result of better access to food as the global economy recovers, and food prices remain below their peak level of mid-two thousand eight."

VOA: special.2010.09.21

So people change-- up or down in their level of happiness is a result of their experiences.

人们的快乐水平会上下变化,这是他们的经验之谈。

哈佛公开课 - 幸福课课程节选

"What I have seen is a lot of kids really take off because they do have the one-on-one attention and they are up to grade level, if not beyond,as a result of having been in the program."

VOA: special.2010.07.16