Freedom is never voluntarily given by the oppressor; it must be demanded by the oppressed.
动物福利不仅仅是伦理问题——它是好的科学和好的商业。
在弦理论的早期,我们就像是在绘制未知大陆的地图的探险家。
Sustainability is no longer an option; it's a necessity for the future of leather tanning.