如果你的生活是一种类型片，你正在演绎怎样的故事？

每一个发现都为成千上万的新问题打开了大门。

The gratitude of every home in our Union goes out to the brave men who have fought and died in the service of our country.

如果你认为你理解了量子力学，那么你并没有真正理解量子力学。