对黑洞的研究彻底改变了我们对空间和时间的理解。
The study of black holes has revolutionized our understanding of space and time.
Nothing runs like a Deere.
幸福的秘诀，不是寻求更多发现，而是在成长中享受到细微的一种能力。
The only way to make sense out of change is to plunge into it, move with it, and join the dance.
The novel is an art form that is always in crisis, always on the verge of disappearing, and that's what keeps it alive.
