But you'll see that once you get to final projects frankly, you're not gonna want to implement everything from scratch.

但是一旦你得出了最终方案，你就不会愿意利用框架去,实现任何功能了。

哈佛公开课 - 计算机科学课程节选

> David: Yes, if you really, if you want to reimplement the solution from last where whereby it was buggy, you can absolutely say take the address of x then go there, thereby undoing all of the work you just did.

>，大卫：是的，如果你的确，如果某个地方有bug，你想要重新,实现那个解决方案，你绝对可以通过x的地址，定位到那里去，然后撤销你刚做的所有工作。

哈佛公开课 - 计算机科学课程节选