used

He is drawing on the back of a used paper.

他在一张用过的纸的背面画画。

All the millions of tons of waste that go into landfills started as an old pair of slippers, a broken TV set, or a used magazine that came from somebody's house, maybe yours.

所有进入垃圾填埋场的数百万吨垃圾，都是从一双旧拖鞋、一台坏了的电视机，或者是一本从别人家里（也许是你的）拿出来的旧杂志开始的。

Reducing waste by incorporating used materials into production can cut costs and decrease the price of procurement: less to be procured from the outside and more to be re-utilized from the inside.

通过将使用过的材料纳入生产中来减少浪费，可以降低成本和采购价格：从外部采购的更少，从内部重新利用的更多。

Would you buy a used car from this man?

你会向这个人买辆二手车吗？

But because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt-out.

但因为它全是数字化的，它消除了二手书市场，也消除了任何共享，而且因为作业和考试都是通过准入码进行的，它消除了任何选择退出的能力。

I'm not used to eating so much at lunchtime.

我不习惯午饭吃那么多。

But I'm used to that so it doesn't bother me too much.

但我已经习惯了，所以这不会太困扰我。

After I moved to Tokyo and lived there for a number of years, I got used to having a pile of to-do lists, and my calendar always looked like a mess, with loads of things to do written across it.

当我搬到东京并在那里住了几年之后，我习惯了列一堆待办事项清单，且我的日程表看起来总是乱糟糟的，上面写满了要做的事情。