关于神，我不知道他们是否存在，也不知道他们是什么样子。
As to the gods, I do not know whether they exist or not, or what they are like.
数学不是一项观赏性运动；要理解它，必须积极参与其中。
Consumer preferences are shifting rapidly; adaptability is the new competitive advantage.
Collaboration across the supply chain is key to driving meaningful change.