When a professor insists computer science is X but not Y, have compassion for his graduate students.
经济周期的福利成本并非周期本身，而是个体无法随时间平滑消费的能力。
表演中最具挑战性的部分不是技术方面，而是情感的真实。
A free press can be good or bad, but, most certainly, without freedom, the press will never be anything but bad.
Every piece of fruit tells a story - of sunshine, rain and care from human hands.