划分生与死的界限最多是模糊不清的。谁能说一个结束,另一个从哪里开始?
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
"We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm."
在数学中,提出问题的艺术必须比解决问题更有价值。
Innovation is not just about technology; it's about changing the way people think about dairy.