要知道,终有一天,我们会是自由的。
"The most dangerous kind of waste is the waste we do not recognize."
你无法管理你不衡量的东西,也无法改进你不管理的东西。
在数学中,发现的旅程和目的地一样重要。
We must strengthen international cooperation to jointly address the challenges of energy security and climate change.