Because the for loop hands me placeholders in between those semicolons for variables and such, now I don't have those with while loops.

因为for循环给我提供了为变量准备的占位符,它们在分号之间，现在在while循环中，我没有这些。

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

Now instinctively, prefer the for loop or the while loop?

现在凭感觉，你们喜欢for循环还是while循环？

哈佛公开课 - 计算机科学课程节选