这就是另外一个极端――一个除了消耗我们绝大多数时间而没有任何产物和可利用的行为过程。
This was the other end of the spectrum -- a process that consumed most of our time with unproductive, useless activities.
这些产生受体时的副产物随着时间的推移会有规律地逐渐减少。
The number of these receptor by-products declines regularly over time.
如果A物质比较多，所以所以在给定时间，有更多的反应物变成产物，这样就得到了指数衰减。
If there's more of it, you'll just have more at any given time decaying over to products. So you have an exponential decay.
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