物理学的美在于它能够用简单的定律解释复杂的事物。

"The past is always present in our lives, shaping who we are and how we see the world."

"You can’t just give up on someone because the situation’s not ideal."

无人机的核心不是飞得多高，而是用得多好。

如果你早上起床时认为未来会更好，那就是美好的一天。否则，就不是。