I've certainly written code that has this problem, I've tried to use my own code that has this problem, and good to us, right, good hygiene, I'm going to use that word again here, of getting into the habit of writing defensive code up front, it's part of that collection of things that you ought to do is a great thing to do.

我举手了吧？,我当然写过犯这种错误的程序了,我也尝试过应用含有这种错误的代码，不错，好的卫生，我还是要用这个词,对我们有帮助，养成写防卫性,代码的好习惯，是你应该做的,一系列事情之一,也是我们日后要做的主要的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

As the essays move chronologically--they were written over a period of time--as the essays that were written near Lolita come into the book, that word appears, also, describing various things.

正如随笔是按时间顺序走向的，它们也是,有时间顺序的，随笔写的时候Lolita刚刚发表，那个字出现了，描绘了很多事情。

耶鲁公开课 - 1945年后的美国小说课程节选

So you have two rather competing senses of the word "vocation" here, vocation as employment and vocation as a calling, and they're constantly for Milton bleeding into one another, these two senses of the word, and often struggling with one another or competing with one another.

所以现在有两个相互矛盾的“vocation“的含义，一个是工作，一个是神的召唤，弥尔顿经常把它们混淆起来，这个词的两种含义，它们经常,在他的内心挣扎，互相竞争。

耶鲁公开课 - 弥尔顿课程节选