Some people asked me, if they bought the earlier version of the text, you can find the translation to the earlier version of the text on these question numbers.

有人问我，如果他们买了这本书的早期版本，你们找到这本书早期版本的翻译,关于这些问题的数字。

麻省理工公开课 - 固态化学导论课程节选

One solution for that is to get a copy of a textbook I wrote called Basic Training in Mathematics.

解决办法之一,就是买一本我编写的教材,书名叫《数学基础训练》

耶鲁公开课 - 基础物理课程节选

Having said that, there's really nothing so dead as The Norton Anthology,or ponderous, and I do order it with a little--well, some misgivings for that.

顺便说，没有哪本书,会比《诺顿诗性颂》更加无趣，或者说冗长乏味，我买这本书的时候就有点焦虑不安。

耶鲁公开课 - 现代诗歌课程节选