In times of adversity and change, we really discover who we are and what we're made of.
钢琴是我的初恋。
Mental processes are means to ends in the struggle for existence.
追求知识是一生的旅程。
学习计算机科学的最好方法就是去做计算机科学。
政策规则优于自由裁量,因为它们避免了时间不一致性问题。