Security!

保安呢

Don't come in here making your fear of failure our problem.

别因为怕露怯就来这儿给我们添堵啊

But we don't have much time.

但我们时间不多

Why?

为啥

in the first collision to deduce that M + m

在第一个碰撞过程中来算出 M + m

You understand that?

你们明白了吗

Those of you who haven't taken freshman economics or

那些还没有学过初级或中级经济学的同学

And the fact that general equilibrium is a part of finance

一般均衡是金融的一部分的这种说法

So to understand the risk and to manage it,

因此理解风险并控制它

such as where was it released?

诸如它和哪里有关

So I'm recapitulating all that you have to know for the

我将初级和中级经济学中

So anything you have to know,

你需要知道的