But the report said a number of the fifty states perform much better than others.

VOA: special.2009.10.15

They performed-- not only the teacher; the teacher did perform better-- but the students actually performed better when they had high expectations, when they believed in their teachers.

学生们表现得…与老师无关;,老师没有更好的表现-,但学生表现得更好了,当他们有更高的期望时，当他们相信自己的老师时。

哈佛公开课 - 幸福课课程节选