Your clear, smooth skin, not a line or wrinkle to be found.

您清楚，皮肤光滑，而不是一条线或皱纹被发现。

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Now, research from York University in Toronto has added a wrinkle to the existing wisdom.

现在，多伦多的约克大学的研究对于已经存在的年老智慧又加了一条皱纹。

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An intriguing new study by researchers at the University of Michigan suggests it can - a finding that adds a wrinkle to the prevailing notion that IQ is largely fixed by genes.

密歇根大学的一项有趣的研究证明简单的训练的确可以使我们更聪明。这个发现挑战了人的智商很大程度上是由基因决定的这一普遍看法。

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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

Market watchers and jittery investors may have a new wrinkle to worry about: A Spring Slide.

FORBES: Is The Market On A Spring Slide? These 10 Indicators May Have The Answer

The arrest of Brunswick city commissioner James Henry Brooks added another wrinkle to a case that was already tough to fathom.

NPR: Lawyer: Official Regrets Involvement In Baby Case

Another interesting wrinkle to this story is of whether Chinese automakers are learning any better how to design their own cars.

FORBES: The Missing Link In China's Auto Development?