It pays another pound two years from now, it pays another pound three years from now.
从现在起的第二年需要支付第二个一英镑,从现在开始的第三年需要支付第三个一英镑
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
Last class I started with Freud and now I want to turn to Skinner.
上一堂课我们从弗洛依德讲起,现在我要开始讲斯金纳了。
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