Things like addition and multiplication, which we saw not only apply to numbers, but we can use them on things like strings and we're going to come back to them again.

就像加法和乘法，我们已经学习过，它们不仅仅可以应用于数字，还可以用到字符串上,我们今天还会再讲讲。

麻省理工公开课 - 计算机科学及编程导论课程节选

Building real world educational source ware And communications technologies And applying them with actual learners.

建立真实世界的教育资源软件,和通讯技术,并应用到学习者身上。

麻省理工公开课 - 媒体、教育、市场课程节选

I'll go through them briefly now and elaborate on each in the next couple of lectures,interweaving them with studies,research as well as applications.

我会先简短地介绍一下，再逐个阐述,在接下来的几节课里，会分别对它们,进行学习，研究，和应用。

哈佛公开课 - 幸福课课程节选