Now let me do it a second time to show you that -- I'm saying this poorly.
还不至于如此呢,现在让我再做一次给你们看。
So, we still call them coupons, but now we don't do it-- we do things electronically.
所以,我们仍然称当期债券利息为"票息",只不过现在我们不这样做了,现在电子化了
Yeah, good. So, they're actually helium atoms, helium ions. And this wasn't really important for the studies, it didn't matter that didn't know what they are but it's nice to kind of know now - that we do know what they were using.
氦粒子,这对他们的研究并不重要,他们并不需要知道它是什么,但我们最好知道,他们当时用的是什么。
Now, if a company sells shares, it issues new shares--it can do that at any time.
如果一个公司售卖股份,发行新股...这随时都可以
The present value is equal to-- remember it starts one year from now under assumption-- we could do it differently but I'm assuming one year now.
则现值就等于,记住它从现在开始起一年一年的支付,只是个假设,我们能做不同的假设,但现在我就假设成一年
.. What I'm going to do now-- let's start out with the case where-- now it's going to get a little bit more complicated if we drop the independence assumption.
我现在要做的是-,让我们从案例开始-,接下来的情况会比刚才的复杂一点,因为我们去掉了“相互独立“这一前提假设。
So-- if you don't feel comfortable doing it, don't do it-- what I'd like to do now is as following: Take your thumb and your middle finger and create as much as possible a 90 degree angle.
感觉不舒服的,就不要做,希望按下面的指示做:,让你的姆指和中指,尽可能形成一个直角。
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