So this was a bit of joke and surprise made them angry about this convergence. Then something even worse happened. People started to talk about using the internet to carry voice conversations for free.

所以这有种开玩笑和惊奇的意味,使他们对聚合很生气，而后更,糟糕的事发生了，人们开始谈论关于,使用互联网免费传输声音会话。

麻省理工公开课 - 媒体、教育、市场课程节选

And then try to build creatively on something that has really happened.

然后试着基于已发生的事情进行创作。

灵感从何处来 - SpeakingMax英语口语达人

If you don't understand something that happened in class, you want to reinforce an idea that came up in class, then you should read the relevant chapters in the book and the syllabus will tell you which chapters to read for each class, or for each week of class, all right.

要是你课堂上没听懂,或者你课下想深入了解下课上的内容,你应该去读书上对应的章节,教学大纲会告诉你每堂课讲哪章,或者每周讲哪几章

耶鲁公开课 - 博弈论课程节选