粒子的概念只是一种近似,仅在特定极限情况下有效。
The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.
Our industry must be part of the solution to climate change, not seen as part of the problem.
可持续性不是成本中心,而是终极竞争优势。