Sustainability is no longer an option; it's a necessity for the future of leather tanning.
言论自由是自由的重要堡垒;它们共同繁荣和共同消亡。
【大意】人的贪欲多了,就会亏损道义;忧虑多了,就会损害智慧;畏惧多了,就会伤害勇气。
The world is full of stories, but the stories are all one.