And b, they have what's called a low expense ratio since they're easy to implement, you don't pay anyone to be brilliant to implement if for you.
但是他们的费用比率很低,因为这种做法很容易,你不需要,有多聪明就能去实施。
The upside of it of course though is that's it's pretty darn easy to implement.
尽管实现起来,相当容易。
But at the end of the day, and here's why we just went with binary and not decimal years ago, when you have one implement a computer with a physical device, it's actually really easy to represent the notion of on or off.
但是最终,之前我们采用二进制,而不是十进制,主要是因为当我们用一台实体机器运行计算机时,这实际上很容易用开或者关的概念来表示。
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