And I guarantee you if you do those three things throughout the course that you'll do well in the course and I've said this almost every time I've given the course and nobody has ever told me that I'm wrong.

如果你们做到了这三点,我保证你们会在这门课中取得好成绩,每次开课前我都会这么给学生说,从来没有人告诉我这个说法有问题

耶鲁公开课 - 生物医学工程探索课程节选

And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.

顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。

哈佛公开课 - 计算机科学课程节选

The classical hoplite formation then was not the long lived military institution of scholarly tradition, but merely one phase in a history of almost four centuries of slow change towards ever denser and more cohesive heavy infantry formations."

这种方阵的形成,并不是经过长期传承的传统军事制度,只是步兵阵型演变的一个阶段,战阵逐渐向更加紧密坚固的步兵阵型转化,而这个变化持续了约有四个世纪"

耶鲁公开课 - 古希腊历史简介课程节选