Mathematics is the foundation upon which all science is built.
找出你对某人感觉的最简单方法。说再见。
「释义」:但凡学习不勤奋的人,必定是志向不够坚定。
History is not the past. It is the present. We carry our history with us. We are our history.
【释义】天旱时准备船只,洪水时准备车辆,这是事物发展的规律。