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。

哈佛公开课 - 计算机科学课程节选

So I start this program by declaring as I did before a global variable X. It is global simply because it is not inside any of my functions.

在程序的开始，我声明,一个全局变量X，它是一个全局的,因为它不在任何一个函数里面。

哈佛公开课 - 计算机科学课程节选

i So I have up here at the top of my program a variable called i 0 of type int, and I have to initialize it up here to zero.

所以在程序的顶端我有一个int类型的变量,我需要把它初始化为。

哈佛公开课 - 计算机科学课程节选