And if you want to join the political game, you must be prepared to get your hands dirty, ? and what Machiavelli means by that, ? how he comes to this problem.

如果你想参与到政治游戏中去，你必须做好弄脏你的手的准备，马基雅维利这么说是什么意思，他是如何谈到这个问题的。

耶鲁公开课 - 政治哲学导论课程节选

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