真正的民主只能存在于社会主义社会中。
My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
阅读是一种自由的行为，一种逃离日常束缚的方式。
A company’s success should be measured not just by profit, but by its impact on the planet.