You might think -- and this board is -- and you know what, let's use the computer because it will erase more cleanly than chalk.

你可能会想--这个板子是--你们懂得，让我们使用电脑,因为它能比粉笔擦除地，更干净些。

哈佛公开课 - 计算机科学课程节选

Now we will never know, and don't let anyone ever suggest to you that you will ever know, what Milton could possibly mean by this deliberately perplexing image of the two-handed engine at the door.

我们永远不会知道,弥尔顿在这句描写门边的双手引擎的,刻意的意象叠加里想要表达什么。

耶鲁公开课 - 弥尔顿课程节选

Just want to let you know that there will be an information session this afternoon, from 3 to 4:30 in Harvard Hall, room 103.

希望大家知道,今天下午有一个咨询会，在哈佛大厅103教室，从三点到四点半。

哈佛公开课 - 幸福课课程节选