That's right, but they never attacked the same place twice.

是的 但它们从不攻击同一个地方两次

They remember.

它们有记性

the answer is 2."

所以加速度是 2 "

Now, there are really three bodies here.

现在我们有三个物体

It's possible that due to the methodological limitations of Piaget,

皮亚杰很可能由于研究方法上的局限

And in fact, I'll present some evidence

事实上 我要给大家呈现一些证据

If I see a society

如果我在某个社会中看见

I can say in this society,

我可以说 在这个社会中

It's not necessarily the same as today's exchange rate;

它可能与如今的汇率不一样

So, we have this, what's called forward interest parity relation.

我们把这种关系称作远期利率平价关系

Make sure you've looked everywhere.

要确保你把该考虑的都考虑到了

The big error is to ignore certain types of deviation.

最常见的错误就是忽略了某些情况