Typically, even though they don't breed, there are many bugs. And keep in mind that the bug goal of debugging is not to eliminate one bug.

这是件好事，其实即使bugs不会繁殖，也会有很多，并且请记住调试的目的,并不是去消除一个。

麻省理工公开课 - 计算机科学及编程导论课程节选