Go for it now. The future is promised to no one.
世界是一本美丽的书,但对那些无法阅读它的人来说几乎没有用处。
The search for a theory of everything is one of the most exciting and challenging quests in modern physics.
浪漫的本质就是不确定性。
理解经济周期的关键在于认识到它们是对实际冲击的均衡反应。