Top Arab broadcasters Al Arabiya and Al Jazeera TV highlighted the news that President Obama is planning a visit to Cairo on June 4, noting that relations between the Arab world and the United States have improved significantly since the end of the Bush Administration.

VOA: standard.2009.05.09

And here's what he finds-- he looks at their English scores: the "fast spurters" improved significantly more than any of the other students.

他发现，他查看他们的英语成绩：,“快速迸发“学生有明显进步,比任何学生的进步都快。

哈佛公开课 - 幸福课课程节选

Their memory improved significantly, so their intelligence level as taking by tests before and after compared to control group improved significantly after a single week.

他们的记忆力有明显改善，他们的智力水平,在实验前后进行测试，再与对照组相比,在仅仅一周后就有明显改进。

哈佛公开课 - 幸福课课程节选

0% of participants eyesight improved significantly, as a result of just changing the situation.

0%的参与者的视力有明显改善，仅仅是在改变情境的情况下。

哈佛公开课 - 幸福课课程节选

Their eyesight and hearing improved significantly in as little as a week.

他们的视力和听觉有明显改善,在短短一周时间内。

哈佛公开课 - 幸福课课程节选

These students improved significantly more than any of the other students.

这些学生也有明显进步,比其他任何学生的进步都大。

哈佛公开课 - 幸福课课程节选