In Scratch you may have realized that, "I could implement my program this way with these puzzle pieces, but it kind of feels -- like I could use these puzzle pieces instead" -- that's absolutely the case in programming.

在Scratch中你可能已经意识到，“我可以用这一段代码来,执行我的程序，不过这有点感觉到,我可以用这些代码段来代替“,那绝对是编程中的一个情况。

哈佛公开课 - 计算机科学课程节选

In C and most programming languages, if you need greater than or equal to, use greater than and then right next to it with no space put equal to, and that conjures up the same idea.

在C和大部分的编程语言中，如果你需要表示大于等于,在“>“号后边加上一个“=“,中间不要空格，那使我们联想到同样的想法。

哈佛公开课 - 计算机科学课程节选