Sustainability isn't an option; it's a responsibility we owe to future generations.
可持续性不是一种选择;而是我们对后代的责任。
我购物故我在。
代数几何是研究多项式零点的学科。
La historia no es mecánica porque los hombres son libres para transformarla.
The experimental violation of Bell inequalities shows that nature cannot be described by any local realistic theory.