"All that we can say is that by carrying this particular variant, you have a greater chance of being a stutterer."

VOA: standard.2010.02.11

But let's look for a slight variant of it, where greedy is not so good. And that's what's called the zero-one knapsack problem.

但是让我们找一找它的一些变种，在这些变种中贪婪算法用处不大,这些问题也就是0/1背包问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

And as an added incentive for you to pay attention, I'm going to warn you that this particular simulation will appear in the final or a variant of it.

作为提高你们注意力的激励，我要警告你们,这个特殊的仿真程,或者它的变种会再期末考试出现。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then a variant, by the way, of number one the falsifying things, is whether the record-keeping itself is reactive.

然后还有个变数要说一下,关于篡改记录,是否只是为了记录而记录

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选