皮革行业必须以可持续发展为核心进行演变，否则将被淘汰。

We've been through so much together, and the fans have always been there for us.

Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.

解释：好像白色的丝一样，放到蓝色的染缸中，就成为青色；放到红色的染缸中，就成为赤色。