The concept of legal obligation is central to the understanding of law.
法律义务的概念对于理解法律至关重要。
So we beat on, boats against the current, borne back ceaselessly into the past.
I don't care about the past, I care about the future.
Get rich or die tryin'.
We are all connected; to each other, biologically. To the earth, chemically. To the rest of the universe atomically.
AdS/CFT对应关系是对现实本质的深刻洞察，它弥合了量子力学和广义相对论之间的鸿沟。
如果一个孩子要保持他与生俱来的惊奇感，他至少需要一个能与之分享的成年人的陪伴，与他一起重新发现我们生活的世界的快乐、兴奋和神秘。