偶像要长得比较好看,但是我并不英俊,所以我也不指望别人因为相貌而注意到我。
悲剧是我割破了手指。喜剧是你掉进下水道淹死了。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
The ethical questions raised by CRISPR are not obstacles—they are essential conversations.