Just to get you oriented, this is energy decreasing from zero to progressively negative numbers.
只是为了让你们多了解些这方面的东西,在这里能量,从0开始逐渐递减到负数。
We decrement so to speak the variable and then where will we go next in terms of the flow control, the flow of this program.
可以这么说,我们递减这个变量,然后按照控制流,即程序流进入到下一语句。
This, I think you've gotten from other economics courses-- we have something called diminishing marginal utility.
我认为你们已经从其它的经济学课程中学过了,称为边际收益递减
And, within a column, it decreases down a column.
而且在一列内,它逐次递减。
It rises up a row. It decreases down the column.
在行内逐次增加,在列内逐次递减。
So, that's a funny property of conventional mortgages -that the mortgage balance declines very slowly at first and then it falls rapidly when it comes to maturity.
这是普通贷款很有意思的特性,即贷款余额在起初减少的非常缓慢,但随着到期日的临近,便会加速递减
The exact shape of the curve is subject to discussion, but the point of diminishing marginal utility is that, as you get more and more money, the increment in utility for each extra dollar diminishes.
这条曲线的确切形状还有待讨论,但是边际效用递减规律的重点在于,你得到的钱越多,每额外的一美元的增长效用会相对减小
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