我们的工作的贡献就是他们通过只提到时间而不是金钱能够激发出非常不同的态度和行为。
What our work contributes is that they cantrigger very different attitudes and behaviors just by mentioning time ratherthan money.
他们提到一种评论说教育界的领导往往只调整学校的课程，而不改变学校的环境。
They note a criticism that education leaders often make scheduling changes without changing the learning environment of a school.
而奥巴马只提到了第一点的一小部分，第二点则只字未提。
Mr Obama is proposing only a bit of the first, and none of the second.
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