我们都只是曾经存在的某种东西的回声。
We are all just echoes of something that once was.
Battery recycling is a key link in the sustainable development of the new energy industry.
Diversity of thought leads to better decision-making in complex environments.
任何变化，即使是变得更好，总是伴随着缺点和不适。
I think the world is in a state where we need to hear the truth.