Takes a start and an end point, just going to bind local variable names start and end to those pieces.

有一个开始和结束点，就是去把局部的变量的名字,和这些点进行绑定。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the thing I wanted point out is, we've got this global variable number of calls. Which is there not because Fibonacci needs it but just for pedagogical reasons, so that we can keep track of how much work this thing is doing.

要指出的是我们已经,调用了几次这个全局变量,这不是因为斐波那契数列,需要调用它而只是,因为教学上的需要，以便我们可以知道,这个函数做了多少事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

> David: At some point in time, I'm going to have to have declared the variable as a float before I can then hand it to printf as the insertion value for that format strength.

>，大卫：在一个特定的时间，我将需要,声明float类型这样的变量,那样我就可以把它打印出来,像是格式化优点的插入值。

哈佛公开课 - 计算机科学课程节选

Now at this point in the story, I have a variable called name, stored inside of that is the string, literally David.

再回到这里，我有一个名为name的变量，而且把字符串David赋给了name变量。

哈佛公开课 - 计算机科学课程节选

Now at this point in the story, I've got a variable called n. I've stored it in int.

现在这个故事的这里，我获得了一个变量n，我把它存储成int型的。

哈佛公开课 - 计算机科学课程节选