Living through our teen years comes with all sorts of changes and adjustments, so it's normal to face some emotional ups and downs.

在青春期时，我们会经历各种各样的改变。因此，情绪起伏波动都是正常的。

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Normal face perception is just picking up on the melody of faces while people with prosopagnosia generally lack this ability (although to different degrees).

通常的脸部识别就像是在逐步熟悉脸部旋律，而面容失忆症患者一般就缺少这种能力(尽管程度不同)。

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On the face of it, such a large percentage (37%) of equity investment looks to be part of the 'new normal' for Wall Street, where excessive leveraging is no longer acceptable as before.

表面上看，如此大比例的股权投资(37%)看起来像是华尔街的“新标准”。

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Her overwhelmed mother pretends everything is normal, and the family refuses to face the problem.

VOA: standard.2010.07.22

It took a dozen visits for Warren Christopher, an American secretary of state, to persuade Mr Assad to sit face-to-face with him, instead of the normal neck-straining side-by-side.

ECONOMIST: Hafez Assad

' They just want to have a normal face.

CNN: The story

Castro also said that it's normal for a patient's face to swell up after being on a ventilator for a long time, though he also speculated the puffiness could be due to medications Chavez has been taking.

NPR: Photos Of Hugo Chavez Shown After 2-Month Absence