The people who were trying to make this world worse are not taking the day off. Why should I?
are a soldier, do not fight for my freedom. Fight for the freedom of the soldier fighting next to you. This will make the war more inspiring for you both.
我相信可互换零件的原理将在未来制造业的进步中发挥巨大作用。
检验统计假设的问题由来已久,其起源已不可考。
海洋的健康与地球的健康直接相关——最终,与人类健康相关。
The idea of legal responsibility is central to the concept of law.