The laws of physics are universal, and testing them in extreme environments like the galactic center is essential.
让孩子留在家里的最好方法是让家庭氛围愉快——并且把轮胎的气放掉。
Collaboration across borders is essential to combat deforestation and climate change.《全球森林管理》
计算机科学中理论与实践之间的相互作用是推动该领域前进的动力。