So, I'm not quite sure what the takeaway there is but realize you are perfectly welcome to shop and then still take the course.

虽然我也不清楚有什么外卖,但是你必须意识到商家是很欢迎您光临他的店铺的,而且希望你以后也一直光顾。

哈佛公开课 - 计算机科学课程节选

In fact, I would encourage you to think the way physicists do, even if you don't plan to be a physicist, because that's the easiest way to do this subject, and that is to follow the reasoning behind everything I give you.

其实,即使你们不打算以后当物理学家,我也希望你们能像物理学家一样思考,因为这是学习这门课的捷径,也就是利用我给你的条件一步一步地推导

耶鲁公开课 - 基础物理课程节选

And you could build barricades across smaller streets, but not across big boulevards, and that was part of the rebuilding of Paris in the 1850s and '60s, more about that in a minute and much more about that later, because it's fascinating; at least, I think it's fascinating.

但街垒只适用于小巷,对于大路就不那么适用了,修街垒也算是巴黎十九世纪五六十年代重建的一部分,这个问题我们以后再谈,因为它引人入胜,至少我觉得如此

耶鲁公开课 - 1871年后的法国课程节选