First of all, I'm very pleased when this happens, because I'm pretty confident that I can do this under duress, but I may not do it right every time.

首先,我非常乐意你们指出我的错误,因为虽然我对这些公式了如指掌,但我并不能保证每次都写对

耶鲁公开课 - 基础物理课程节选

Halls, they try to design halls such that that doesn't happen, and I show an example of a concert hall here -- this is Symphony Hall in Boston, and I can pretty much guarantee you if you do go to this Symphony Hall, you will not experience a bad seat or a dead seat.

大厅，他们建大厅的时候,尽量要避免这种事,我这里给你们展示一个,音乐厅的例子-这是波士顿,的交响乐厅，我可以向,你们保证如果你去那里的话。

麻省理工公开课 - 化学原理课程节选