And here, I'm going to suggest we've seen numbers, we've seen strings, and I'm going to add Booleans here as well.

我要提醒下大家我们学习过数字数据了,学习过字符串了，今天还要学习布尔类型，这是当我们谈到条件的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选

With each lecture we put together pre-lecture questions and post-lecture questions that the students were required to answer and they used their learning space that I told you before: Sunspace.

每次讲座我们都会给出,课前问题和课后问题,并要求学生回答,他们利用我之前谈到的,学习空间，即阳光地带。

麻省理工公开课 - 媒体、教育、市场课程节选