And in particular, I can then ask the following question, which is, what's different between those two pieces of code?

是有个明显的模式的,我特别要问如下的问题，这两块代码的,不同之处在哪儿？

麻省理工公开课 - 计算机科学及编程导论课程节选

2 2 I can move 9 down, I can move 12 down, I can move 2 down, God and I can cheat by entering God mode and if I hit God and hit Enter well now the problem set solves itself for me.

我可以将9移下来，移动，而且我也可以输入无敌模式，如果我输入,并回车，然后此问题将会自动开始，解决。

哈佛公开课 - 计算机科学课程节选

But the challenge is that we really didn't have a business model at that time.

但问题是,那时公司没有一个商业模式。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

So that would be a matter of good versus bad design.

所以那是个好模式，坏设计的问题。

哈佛公开课 - 计算机科学课程节选