So while the relationship of D to some of the laws in the Covenant Code is often--not always but often--one of revision, the relationship between D and the laws in the Priestly source is more difficult to characterize.

那么，尽管申命记材料和契约法典中的律法的关系,往往是，不是总是而是往往，是修订，申命记材料中的,律法和祭祀派材料的的关系则更难定义。

耶鲁公开课 - 旧约导论课程节选

Then we have to steal the code from earlier to do a forever loop, a while true loop and then I'm gonna go ahead and use that printf thing that we saw.

然后再借用先前的代码,做一个永久性的循环，即while循环,紧接着需要用到一个,之前我们看到过的printf函数。

哈佛公开课 - 计算机科学课程节选

At the end of the day, you can implement the exact same program using a while loop that you can using a for loop, it's just your code is going to look slightly different.

最终，你可以执行这个程序,再使用for循环的地方使用while循环，这只是使你的代码看起来稍微有点不同。

哈佛公开课 - 计算机科学课程节选

So conceptually the key difference here, besides the syntax looking slightly different, it just means that if you want a chunk of code to execute no matter what initially, ; you can use the do while loop; if you want to check a condition first, you can use the while loop.

所以概念上，则关键的区别是，除了语法看起来有点不同，它的意思是如果你想要一段代码,最初无论如何都要执行，你就可以用do，while循环;,如果你想要先检查条件，你可以用while循环。

哈佛公开课 - 计算机科学课程节选