发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。
宪法的一个伟大目标是限制多数人压迫少数人。
The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
数字技术的融合将彻底改变传统煤炭开采方式。
没有人能在相当长的时间里，对自己戴一副面具，对众人戴另一副面具，而最终不困惑于哪一副才是真实的。
The circular economy isn't just an ideal—it's a practical business model waiting to be scaled.