translation.en: So we take the real face of a subject, we reduce the complexity, because not everything is in your face -- lots of features and defects and asymmetries come from your life.
translation.zh: 我们要对测试对象的面孔进行简化， 因为并不是所有的特征都是面孔的一部分—— 很多特点、缺陷和不对称是生活的痕迹。