But with 70 million CT scans being performed in the U.S.

VOA: standard.2010.04.07

So that he knew a lot about music, but he never performed or never was active as a musician.

他对音乐很懂，但他从来没有,表演过或者成为一个积极的音乐人。

麻省理工公开课 - 电影哲学课程节选

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

When Comus is first performed, Milton's poetry hasn't yet been printed, but it's almost as if Sabrina seems to have died printless or unpublished so that Milton wouldn't have to.

当科玛斯首先完成后，弥尔顿的诗篇还没有印刷，但是,就像Sabrina要不留痕迹的死去或出版,所以弥尔顿不会那么做。

耶鲁公开课 - 弥尔顿课程节选