One wrinkle in the Times Square plot is that the claim of responsibility came not from al-Qaida, but from the Tehrik-e-Taliban, the Pakistani Taliban group.

VOA: standard.2010.05.05

But there is a wrinkle here.

但是这里有一个小问题。

麻省理工公开课 - 固态化学导论课程节选

But it is in fact indicative of what's actually going on underneath the hood and for a forensic investigator to be honest and even problem set 5, it poses a potential wrinkle if those JPEGs, those photos we took are not contiguous back to back to back but are all over the place.

但是实际上就像那些法医调查员,所做的实质说明,其实对套题5也是如此，如果那些JPEG文件有问题，我们将其数据不能连续的,放回原来的地方，那么图像会呈现出波纹形状。

哈佛公开课 - 计算机科学课程节选