To obliterate your net activity

根本查不出你在网上的活动

- Who does that? - Everybody does that.

-谁做的 -所有人都这么做

- Rach? - Yeah?

- 瑞秋 - 怎么？

Oh.

噢

Oh, thank you.

谢啦

I forgot about this.

我都忘了这东西

Why wasn't any of that on his record?

为什么他的记录里什么都没写

so anytime Wade did something wrong,

只要韦德出了岔子

as it travels along some parabolic path,

当它沿着某条抛物线运动时

the next instant and the eraser may look like this.

下一时刻它可能又是这样的了

and do something you're not meant to do usually in teaching,

还要做些一般上课不经常做的事

So here I have my pure strategy definition

这里有我的纯策略的定义