如果时空穿梭是可能的,那从未来穿越回来的旅客在哪里呢?
最高的知识是对自我的认知。
Positive emotions broaden our awareness and allow us to see more possibilities.
天然气开采的创新不仅仅是关于效率——它关乎道德。
Technology drives progress in astronomy—better instruments lead to deeper insights.