For example, you might hear a student say to her friend that her spelling test was "as easy as falling off a log."

VOA: special.2009.06.07

bug This is an easy bug to come up with. But imagine, if you don't do the test, you're going to get answers that don't make any sense.

这是一个容易发现的，但是想象下，如果你没做测试的话,你会得到没有意义的答案，实际上。

麻省理工公开课 - 计算机科学及编程导论课程节选

I wish there were some easy litmus test that I could just give you so you'd know which of you would be making a mistake taking this class.

我希望能有一种简单的石蕊测试,让我可以直接展示给你们并让你们知道,你们中的谁上这门课是一个错误。

耶鲁公开课 - 死亡课程节选