The wave function is not a description of a single system but of an ensemble of systems.
波函数不是描述单个系统，而是描述系统的集合。
The essence of mathematics lies in its freedom.
The world breaks everyone, and afterward, many are strong at the broken places.
我们有责任以最高效、最环保的方式提供能源。
当我们倾听不同的观点时，才能做出最好的决策。