So we can't actually see any of that, it's too high energy for us to see. So everything we see is going to be where we have the final energy state being n equals 2.

所以我们是看不见它的,它能量太高了，我们能看见的,都是终态等于2的情况。

麻省理工公开课 - 化学原理课程节选

And a lot of the strikes that you see in high schools and in-- I better get to my lecture,but-- you see in high schools and even in middle schools, have to do with the State,somebody saying, well we're going to take away two-hundred teachers in your department, or we're going to maintain a curriculum that doesn't seem to make any sense.

在高中里可以看到很多罢课,我最好回到正题,但还是再讲一点,在高中,甚至在初中有很多罢课,为了反对政府的某项规定,比如说要在这个系减少两百个教师,或者主张一份,完全不合理的课程安排

耶鲁公开课 - 1871年后的法国课程节选