我相信你们都知道回收利用的重要性。回收利用是指回收旧物品，并且把它们变旧为新。

I'm sure you all know how important recycling is. Recycling is when you take old things and turn them into new things.

youdao

是的，他们是我们的死亡提醒人——事实上，我知道我头发变灰白色的速度将会远比我没有孩子时快，特别是现在，我有一个十几岁大的家伙。

And yes, they are reminders of our mortality — in fact, I know I'm going gray a lot faster than I would have had I been childless, especially now that I have a teenager.

youdao

超出任何时候，现在我模糊的知道一大堆人，一些是我“知道”的还有一些是我“不知道”的，虽然听起来夸张了些，但是这让我的生活变的更加温暖和丰富。

Far more than ever before, I'm vaguely aware of a huge number of people, some of whom I "know" and some I don't "know," and although that sounds overwhelming, it makes my life warmer and richer.

youdao

And I responded to at least one email about this issue, someone quite correctly said tuple are immutable, how can I change one?

我在不止一封邮件里回复了这个问题,一些人很明智，知道元组不可变,但是疑问怎么能去改变他们，我的答案是？

麻省理工公开课 - 计算机科学及编程导论课程节选

Every time they're changing You know everytime I say change, and eventually you will be hearing there's the same change, too.

他们变化的时候,你知道当我说,变,的时候,你听到的音乐也随之改变了

耶鲁公开课 - 聆听音乐课程节选