So when you see the word "book" in ancient Greek or Latin, they didn't think of this. They thought of scrolls.

当看到古希腊语或拉丁语的书这个字，他们不会想到这个，他们会想到书卷。

耶鲁公开课 - 新约课程节选

So when you see the word book,the mechanical thing they're actually talking about is a scroll.

所以当你看到书这个字时,他们实质上说的是卷轴。

耶鲁公开课 - 新约课程节选

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选