so we ended up in like the business part of London and we had no clue where we were.

最后我们走到了伦敦的商业区，我们完全不知道我们在哪儿。

友好的英国人 - SpeakingMax英语口语达人

It was invented by a mathematician called Bellman. And he was at the time being paid by the Defense Department to work on something else. And he didn't want them to know what he was doing. So he made up a name that he was sure they would have no clue what it meant.

一点儿道理也没有,它是一个叫Bellman的数学家发明的,那时受聘于国防部研究一些其它东西,它不想让它们知道她在研究什么,所以它编造了一个,它们不会知道意义的词语。

麻省理工公开课 - 计算机科学及编程导论课程节选