人不是生下来就懂得道理的,谁能没有疑惑?
In the realm of theoretical physics, every discovery opens up new questions and challenges.
The world is a puzzle; the pieces are scattered, and no one has the picture on the box.
最好的决策是结合数据和直觉做出的。
When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled.