Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.
每一块面包都讲述着工艺和奉献的故事。
The only limit to our realization of tomorrow is our doubts of today.
人类唯一需要恐惧的,就是恐惧本身。
Collaboration across borders and disciplines is the only way to tackle global health challenges.