We're going to begin the class proper, Introduction to Psychology, with a discussion about the brain.

今天我们开始正式上课,心理学导论,我们首先要来探讨的是大脑

耶鲁公开课 - 心理学导论课程节选

This semester has started,officially today.

今天是本学期正式开学的第一天。

哈佛公开课 - 幸福课课程节选