That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

So in this 40-minute interval we've gone sort of through an emotional musical journey here from despair, despondency, uncertainty, to whatever- to personal triumph, and in a way that mirrors some of the things that were going on in Beethoven's life.

在这四十分钟的乐曲里,我们走完了一趟情感丰富的音乐旅程,从消沉沮丧,到半信半疑,再到个人胜利,其实在某种意义上也反映了事实,贝多芬的人生,也将经历相似的历程

耶鲁公开课 - 聆听音乐课程节选