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。

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So the way to think about this in terms of flow is, it starts with that if and it says, check both of those things.

因此用控制流的方式,来考虑这件事就是，程序由if开始，然后要对两件事情，都进行检查。

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