任何实验的价值和效用都取决于材料是否适合其使用的目的。
Sometimes it’s the people no one imagines anything of who do the things that no one can imagine.
循环经济不再是可选项;它是负责任制造业的唯一前进方向。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."