When we did the spring, we had this theory of Hooke's Law that told us something, and we built a simulation, or built some tools around that theory.

当我们写弹簧程序的时候,我们有胡克定律来告诉我们原理，然后我们建立了一个仿真模型，或者说是在这个理论基础上建立了一些工具。

麻省理工公开课 - 计算机科学及编程导论课程节选

In the spring, our courses focus, not so much on the theory, but now move to the application of positive psychology since it's a master of applied positive psychology.

春季，我们的课程，不再以理论为焦点，而是转向积极心理学的应用,因为这是应用积极心理学硕士学位。

哈佛公开课 - 幸福课课程节选