If you think about the basic building blocks of leather, which is college in you and I are made up of collagen, you know leather is made up of collagen, keeps your face, you know, soft and plush and youthful, right.
如果你想想皮革的基本構件,就是大學裡的你我都是由膠原蛋白組成的,你知道皮革是由膠原蛋白組成的,保持你的臉,你知道的,柔軟、豐滿、年輕,對吧。