Life is not fair; get used to it.
计算复杂性的研究不仅仅是关于解决问题,还在于理解可计算性的极限。
在海洋保护中,跨国合作至关重要。鱼类不认识政治边界。
Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.
我父亲总是教导我:关心和分享。这就是我们举办公开课的原因。我唯一能做的就是尝试回馈。